11356636680 has 192 divisors, whose sum is σ = 39433118400. Its totient is φ = 2826109440.

The previous prime is 11356636663. The next prime is 11356636693. The reversal of 11356636680 is 8663665311.

11356636680 is a `hidden beast` number, since 1 + 1 + 3 + 5 + 6 + 636 + 6 + 8 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 445890 + ... + 470670.

It is an arithmetic number, because the mean of its divisors is an integer number (205380825).

Almost surely, 2^11356636680 is an apocalyptic number.

11356636680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11356636680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19716559200).

11356636680 is an abundant number, since it is smaller than the sum of its proper divisors (28076481720).

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

11356636680 is a wasteful number, since it uses less digits than its factorization.

11356636680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24884 (or 24877 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The spelling of 11356636680 in words is "eleven billion, three hundred fifty-six million, six hundred thirty-six thousand, six hundred eighty".