15715871451 has 32 divisors (see below), whose sum is σ = 28009356800. Its totient is φ = 8507838240.

The previous prime is 15715871449. The next prime is 15715871461. The reversal of 15715871451 is 15417851751.

15715871451 is a `hidden beast` number, since 1 + 5 + 7 + 1 + 587 + 14 + 51 = 666.

It is not a de Polignac number, because 15715871451 - 2¹ = 15715871449 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15715871397 and 15715871406.

It is not an unprimeable number, because it can be changed into a prime (15715871461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2184640 + ... + 2191821.

It is an arithmetic number, because the mean of its divisors is an integer number (875292400).

Almost surely, 2^15715871451 is an apocalyptic number.

15715871451 is a deficient number, since it is larger than the sum of its proper divisors (12293485349).

15715871451 is a wasteful number, since it uses less digits than its factorization.

15715871451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4376496 (or 4376490 counting only the distinct ones).

The product of its digits is 196000, while the sum is 45.

The spelling of 15715871451 in words is "fifteen billion, seven hundred fifteen million, eight hundred seventy-one thousand, four hundred fifty-one".