15871587157146 has 32 divisors (see below), whose sum is σ = 37258397654400. Its totient is φ = 4412178668736.

The previous prime is 15871587157141. The next prime is 15871587157147. The reversal of 15871587157146 is 64175178517851.

It is not an unprimeable number, because it can be changed into a prime (15871587157141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5106686721 + ... + 5106689828.

It is an arithmetic number, because the mean of its divisors is an integer number (1164324926700).

Almost surely, 2^{15871587157146} is an apocalyptic number.

15871587157146 is an abundant number, since it is smaller than the sum of its proper divisors (21386810497254).

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

15871587157146 is a wasteful number, since it uses less digits than its factorization.

15871587157146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10213376598.

The product of its digits is 65856000, while the sum is 66.

The spelling of 15871587157146 in words is "fifteen trillion, eight hundred seventy-one billion, five hundred eighty-seven million, one hundred fifty-seven thousand, one hundred forty-six".