11500345644 has 48 divisors (see below), whose sum is σ = 28011782400. Its totient is φ = 3665344320.

The previous prime is 11500345603. The next prime is 11500345679. The reversal of 11500345644 is 44654300511.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 871407 + ... + 884505.

It is an arithmetic number, because the mean of its divisors is an integer number (583578800).

Almost surely, 2^11500345644 is an apocalyptic number.

It is an amenable number.

11500345644 is an abundant number, since it is smaller than the sum of its proper divisors (16511436756).

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

11500345644 is a wasteful number, since it uses less digits than its factorization.

11500345644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16310 (or 16308 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The spelling of 11500345644 in words is "eleven billion, five hundred million, three hundred forty-five thousand, six hundred forty-four".