11532788240 has 40 divisors (see below), whose sum is σ = 26826104448. Its totient is φ = 4610986880.

The previous prime is 11532788191. The next prime is 11532788251. The reversal of 11532788240 is 4288723511.

It is a tau number, because it is divible by the number of its divisors (40).

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, 147305 + ... + 211575.

Almost surely, 2^11532788240 is an apocalyptic number.

11532788240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11532788240 is an abundant number, since it is smaller than the sum of its proper divisors (15293316208).

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

11532788240 is a wasteful number, since it uses less digits than its factorization.

11532788240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66527 (or 66521 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 41.

The spelling of 11532788240 in words is "eleven billion, five hundred thirty-two million, seven hundred eighty-eight thousand, two hundred forty".