11220664635270 has 96 divisors (see below), whose sum is σ = 29730142540800. Its totient is φ = 2935320862272.

The previous prime is 11220664635263. The next prime is 11220664635277. The reversal of 11220664635270 is 7253646602211.

11220664635270 is a `hidden beast` number, since 1 + 1 + 2 + 2 + 0 + 6 + 6 + 4 + 635 + 2 + 7 + 0 = 666.

11220664635270 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11220664635263) and next prime (11220664635277).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220664635277) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 337729 + ... + 4749251.

It is an arithmetic number, because the mean of its divisors is an integer number (309688984800).

Almost surely, 2^{11220664635270} is an apocalyptic number.

11220664635270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11220664635270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14865071270400).

11220664635270 is an abundant number, since it is smaller than the sum of its proper divisors (18509477905530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11220664635270 is a wasteful number, since it uses less digits than its factorization.

11220664635270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4412074 (or 4412071 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 11220664635270 in words is "eleven trillion, two hundred twenty billion, six hundred sixty-four million, six hundred thirty-five thousand, two hundred seventy".