11522627220 has 48 divisors (see below), whose sum is σ = 34745155200. Its totient is φ = 2836338816.

The previous prime is 11522627203. The next prime is 11522627227. The reversal of 11522627220 is 2272622511.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11522627227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7385520 + ... + 7387079.

It is an arithmetic number, because the mean of its divisors is an integer number (723857400).

Almost surely, 2^11522627220 is an apocalyptic number.

11522627220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11522627220 is an abundant number, since it is smaller than the sum of its proper divisors (23222527980).

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

11522627220 is a wasteful number, since it uses less digits than its factorization.

11522627220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14772624 (or 14772622 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The spelling of 11522627220 in words is "eleven billion, five hundred twenty-two million, six hundred twenty-seven thousand, two hundred twenty".