2151326312625 has 160 divisors (see below), whose sum is σ = 4421882859264. Its totient is φ = 925606080000.

The previous prime is 2151326312581. The next prime is 2151326312633. The reversal of 2151326312625 is 5262136231512.

It is not a de Polignac number, because 2151326312625 - 2¹⁶ = 2151326247089 is a prime.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 15236100 + ... + 15376650.

Almost surely, 2^{2151326312625} is an apocalyptic number.

2151326312625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2151326312625 is an abundant number, since it is smaller than the sum of its proper divisors (2270556546639).

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

2151326312625 is an equidigital number, since it uses as much as digits as its factorization.

2151326312625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140614 (or 140583 counting only the distinct ones).

The product of its digits is 129600, while the sum is 39.

The spelling of 2151326312625 in words is "two trillion, one hundred fifty-one billion, three hundred twenty-six million, three hundred twelve thousand, six hundred twenty-five".