11512332544 has 36 divisors (see below), whose sum is σ = 24331451004. Its totient is φ = 5417566208.

The previous prime is 11512332499. The next prime is 11512332583. The reversal of 11512332544 is 44523321511.

It can be written as a sum of positive squares in 2 ways, for example, as 10508710144 + 1003622400 = 102512^2 + 31680^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1318297 + ... + 1327000.

It is an arithmetic number, because the mean of its divisors is an integer number (675873639).

Almost surely, 2^11512332544 is an apocalyptic number.

It is an amenable number.

11512332544 is an abundant number, since it is smaller than the sum of its proper divisors (12819118460).

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

11512332544 is an equidigital number, since it uses as much as digits as its factorization.

11512332544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2645330 (or 2645316 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The spelling of 11512332544 in words is "eleven billion, five hundred twelve million, three hundred thirty-two thousand, five hundred forty-four".