13811910732 has 18 divisors (see below), whose sum is σ = 34913441108. Its totient is φ = 4603970232.

The previous prime is 13811910713. The next prime is 13811910733. The reversal of 13811910732 is 23701911831.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 383664187 = 13811910732 / (1 + 3 + 8 + 1 + 1 + 9 + 1 + 0 + 7 + 3 + 2).

It is not an unprimeable number, because it can be changed into a prime (13811910733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 191832058 + ... + 191832129.

Almost surely, 2^13811910732 is an apocalyptic number.

13811910732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13811910732 is an abundant number, since it is smaller than the sum of its proper divisors (21101530376).

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

13811910732 is a wasteful number, since it uses less digits than its factorization.

13811910732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383664197 (or 383664192 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The spelling of 13811910732 in words is "thirteen billion, eight hundred eleven million, nine hundred ten thousand, seven hundred thirty-two".