11897527732512 has 48 divisors (see below), whose sum is σ = 31992742266912. Its totient is φ = 3869114708480.

The previous prime is 11897527732499. The next prime is 11897527732523. The reversal of 11897527732512 is 21523772579811.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×11897527732512² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1511368998 + ... + 1511376869.

It is an arithmetic number, because the mean of its divisors is an integer number (666515463894).

Almost surely, 2^{11897527732512} is an apocalyptic number.

11897527732512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11897527732512 is an abundant number, since it is smaller than the sum of its proper divisors (20095214534400).

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

11897527732512 is a wasteful number, since it uses less digits than its factorization.

11897527732512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3022745921 (or 3022745913 counting only the distinct ones).

The product of its digits is 14817600, while the sum is 60.

The spelling of 11897527732512 in words is "eleven trillion, eight hundred ninety-seven billion, five hundred twenty-seven million, seven hundred thirty-two thousand, five hundred twelve".