15431243712 has 56 divisors (see below), whose sum is σ = 41150048256. Its totient is φ = 5103237888.

The previous prime is 15431243683. The next prime is 15431243761. The reversal of 15431243712 is 21734213451.

15431243712 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292038 + ... + 340805.

Almost surely, 2^15431243712 is an apocalyptic number.

15431243712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15431243712 is an abundant number, since it is smaller than the sum of its proper divisors (25718804544).

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

15431243712 is a wasteful number, since it uses less digits than its factorization.

15431243712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632985 (or 632975 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The spelling of 15431243712 in words is "fifteen billion, four hundred thirty-one million, two hundred forty-three thousand, seven hundred twelve".