11512354661232 has 80 divisors (see below), whose sum is σ = 31034048455680. Its totient is φ = 3670517765376.

The previous prime is 11512354661179. The next prime is 11512354661233. The reversal of 11512354661232 is 23216645321511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11512354661233) 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, 58233369 + ... + 58430727.

It is an arithmetic number, because the mean of its divisors is an integer number (387925605696).

Almost surely, 2^{11512354661232} is an apocalyptic number.

11512354661232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11512354661232 is an abundant number, since it is smaller than the sum of its proper divisors (19521693794448).

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

11512354661232 is a wasteful number, since it uses less digits than its factorization.

11512354661232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250230 (or 250224 counting only the distinct ones).

The product of its digits is 259200, while the sum is 42.

Adding to 11512354661232 its reverse (23216645321511), we get a palindrome (34728999982743).

The spelling of 11512354661232 in words is "eleven trillion, five hundred twelve billion, three hundred fifty-four million, six hundred sixty-one thousand, two hundred thirty-two".