13811899032 has 40 divisors (see below), whose sum is σ = 38686107900. Its totient is φ = 4603966128.

The previous prime is 13811899009. The next prime is 13811899039. The reversal of 13811899032 is 23099811831.

13811899032 is a `hidden beast` number, since 1 + 381 + 189 + 90 + 3 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13811899039) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 10656682 + ... + 10657977.

Almost surely, 2^13811899032 is an apocalyptic number.

13811899032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13811899032 is an abundant number, since it is smaller than the sum of its proper divisors (24874208868).

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

13811899032 is a wasteful number, since it uses less digits than its factorization.

13811899032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21314677 (or 21314664 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The spelling of 13811899032 in words is "thirteen billion, eight hundred eleven million, eight hundred ninety-nine thousand, thirty-two".