15715871460 has 72 divisors (see below), whose sum is σ = 47700951480. Its totient is φ = 4188307968.

The previous prime is 15715871449. The next prime is 15715871461. The reversal of 15715871460 is 6417851751.

15715871460 is a `hidden beast` number, since 1 + 5 + 7 + 1 + 587 + 1 + 4 + 60 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 5134868964 + 10581002496 = 71658^2 + 102864^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

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 23 ways as a sum of consecutive naturals, for example, 274264 + ... + 326576.

It is an arithmetic number, because the mean of its divisors is an integer number (662513215).

Almost surely, 2^15715871460 is an apocalyptic number.

15715871460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15715871460 is an abundant number, since it is smaller than the sum of its proper divisors (31985080020).

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

15715871460 is a wasteful number, since it uses less digits than its factorization.

15715871460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53997 (or 53992 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 45.

The spelling of 15715871460 in words is "fifteen billion, seven hundred fifteen million, eight hundred seventy-one thousand, four hundred sixty".