2131587163572 has 48 divisors (see below), whose sum is σ = 5191453233792. Its totient is φ = 679439812480.

The previous prime is 2131587163561. The next prime is 2131587163609. The reversal of 2131587163572 is 2753617851312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160503 + ... + 2070974.

It is an arithmetic number, because the mean of its divisors is an integer number (108155275704).

Almost surely, 2^{2131587163572} is an apocalyptic number.

It is an amenable number.

2131587163572 is an abundant number, since it is smaller than the sum of its proper divisors (3059866070220).

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

2131587163572 is a wasteful number, since it uses less digits than its factorization.

2131587163572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2234968 (or 2234966 counting only the distinct ones).

The product of its digits is 2116800, while the sum is 51.

The spelling of 2131587163572 in words is "two trillion, one hundred thirty-one billion, five hundred eighty-seven million, one hundred sixty-three thousand, five hundred seventy-two".