25242988315 has 16 divisors (see below), whose sum is σ = 30435402816. Its totient is φ = 20098713600.

The previous prime is 25242988307. The next prime is 25242988369. The reversal of 25242988315 is 51388924252.

It is not a de Polignac number, because 25242988315 - 2³ = 25242988307 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1034455 + ... + 1058575.

It is an arithmetic number, because the mean of its divisors is an integer number (1902212676).

Almost surely, 2^25242988315 is an apocalyptic number.

25242988315 is a deficient number, since it is larger than the sum of its proper divisors (5192414501).

25242988315 is a wasteful number, since it uses less digits than its factorization.

25242988315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25110.

The product of its digits is 1382400, while the sum is 49.

The spelling of 25242988315 in words is "twenty-five billion, two hundred forty-two million, nine hundred eighty-eight thousand, three hundred fifteen".