11387699232 has 96 divisors (see below), whose sum is σ = 36791056512. Its totient is φ = 3003346944.

The previous prime is 11387699171. The next prime is 11387699233. The reversal of 11387699232 is 23299678311.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (11387699233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 643033 + ... + 660504.

It is an arithmetic number, because the mean of its divisors is an integer number (383240172).

Almost surely, 2^11387699232 is an apocalyptic number.

11387699232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11387699232 is an abundant number, since it is smaller than the sum of its proper divisors (25403357280).

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

11387699232 is a wasteful number, since it uses less digits than its factorization.

11387699232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303570 (or 1303562 counting only the distinct ones).

The product of its digits is 979776, while the sum is 51.

The spelling of 11387699232 in words is "eleven billion, three hundred eighty-seven million, six hundred ninety-nine thousand, two hundred thirty-two".