11562520538680 has 32 divisors (see below), whose sum is σ = 26029531621440. Its totient is φ = 4622544142720.

The previous prime is 11562520538669. The next prime is 11562520538719. The reversal of 11562520538680 is 8683502526511.

It is a super-2 number, since 2×11562520538680² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76926256 + ... + 77076415.

It is an arithmetic number, because the mean of its divisors is an integer number (813422863170).

Almost surely, 2^{11562520538680} is an apocalyptic number.

11562520538680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11562520538680 is an abundant number, since it is smaller than the sum of its proper divisors (14467011082760).

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

11562520538680 is a wasteful number, since it uses less digits than its factorization.

11562520538680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154004559 (or 154004555 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 52.

The spelling of 11562520538680 in words is "eleven trillion, five hundred sixty-two billion, five hundred twenty million, five hundred thirty-eight thousand, six hundred eighty".