11532055940 has 12 divisors (see below), whose sum is σ = 24217317516. Its totient is φ = 4612822368.

The previous prime is 11532055903. The next prime is 11532055943. The reversal of 11532055940 is 4955023511.

It can be written as a sum of positive squares in 2 ways, for example, as 4393833796 + 7138222144 = 66286^2 + 84488^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11532055940.

It is not an unprimeable number, because it can be changed into a prime (11532055943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288301379 + ... + 288301418.

It is an arithmetic number, because the mean of its divisors is an integer number (2018109793).

Almost surely, 2^11532055940 is an apocalyptic number.

11532055940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11532055940 is an abundant number, since it is smaller than the sum of its proper divisors (12685261576).

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

11532055940 is a wasteful number, since it uses less digits than its factorization.

11532055940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576602806 (or 576602804 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 35.

The spelling of 11532055940 in words is "eleven billion, five hundred thirty-two million, fifty-five thousand, nine hundred forty".