11512331054544 has 40 divisors (see below), whose sum is σ = 29929616529760. Its totient is φ = 3813001365888.

The previous prime is 11512331054537. The next prime is 11512331054557. The reversal of 11512331054544 is 44545013321511.

11512331054544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 763814854 + ... + 763829925.

It is an arithmetic number, because the mean of its divisors is an integer number (748240413244).

Almost surely, 2^{11512331054544} is an apocalyptic number.

It is an amenable number.

11512331054544 is an abundant number, since it is smaller than the sum of its proper divisors (18417285475216).

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

11512331054544 is a wasteful number, since it uses less digits than its factorization.

11512331054544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1527644947 (or 1527644941 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 39.

The spelling of 11512331054544 in words is "eleven trillion, five hundred twelve billion, three hundred thirty-one million, fifty-four thousand, five hundred forty-four".