15432341268731 has 2 divisors, whose sum is σ = 15432341268732. Its totient is φ = 15432341268730.

The previous prime is 15432341268727. The next prime is 15432341268763. The reversal of 15432341268731 is 13786214323451.

15432341268731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15432341268731 - 2² = 15432341268727 is a prime.

It is a super-2 number, since 2×15432341268731² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 15432341268731.

It is not a weakly prime, because it can be changed into another prime (15432341268131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7716170634365 + 7716170634366.

It is an arithmetic number, because the mean of its divisors is an integer number (7716170634366).

Almost surely, 2^{15432341268731} is an apocalyptic number.

15432341268731 is a deficient number, since it is larger than the sum of its proper divisors (1).

15432341268731 is an equidigital number, since it uses as much as digits as its factorization.

15432341268731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2903040, while the sum is 50.

The spelling of 15432341268731 in words is "fifteen trillion, four hundred thirty-two billion, three hundred forty-one million, two hundred sixty-eight thousand, seven hundred thirty-one".