25138902512675 has 12 divisors (see below), whose sum is σ = 35625416132496. Its totient is φ = 17238104580000.

The previous prime is 25138902512641. The next prime is 25138902512707. The reversal of 25138902512675 is 57621520983152.

It is not a de Polignac number, because 25138902512675 - 2³² = 25134607545379 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25138902512675.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71825435576 + ... + 71825435925.

It is an arithmetic number, because the mean of its divisors is an integer number (2968784677708).

Almost surely, 2^{25138902512675} is an apocalyptic number.

25138902512675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25138902512675 is a deficient number, since it is larger than the sum of its proper divisors (10486513619821).

25138902512675 is a wasteful number, since it uses less digits than its factorization.

25138902512675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143650871518 (or 143650871513 counting only the distinct ones).

The product of its (nonzero) digits is 9072000, while the sum is 56.

The spelling of 25138902512675 in words is "twenty-five trillion, one hundred thirty-eight billion, nine hundred two million, five hundred twelve thousand, six hundred seventy-five".