15457071315 has 96 divisors (see below), whose sum is σ = 29412875520. Its totient is φ = 6908918016.

The previous prime is 15457071257. The next prime is 15457071323. The reversal of 15457071315 is 51317075451.

It is not a de Polignac number, because 15457071315 - 2¹⁹ = 15456547027 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 16321672 + ... + 16322618.

It is an arithmetic number, because the mean of its divisors is an integer number (306384120).

Almost surely, 2^15457071315 is an apocalyptic number.

15457071315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

15457071315 is a deficient number, since it is larger than the sum of its proper divisors (13955804205).

15457071315 is a wasteful number, since it uses less digits than its factorization.

15457071315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1441 (or 1434 counting only the distinct ones).

The product of its (nonzero) digits is 73500, while the sum is 39.

The spelling of 15457071315 in words is "fifteen billion, four hundred fifty-seven million, seventy-one thousand, three hundred fifteen".