25140138875 has 8 divisors (see below), whose sum is σ = 31374893472. Its totient is φ = 20112111000.

The previous prime is 25140138853. The next prime is 25140138887. The reversal of 25140138875 is 57883104152.

It is not a de Polignac number, because 25140138875 - 2²⁶ = 25073030011 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100560431 + ... + 100560680.

It is an arithmetic number, because the mean of its divisors is an integer number (3921861684).

Almost surely, 2^25140138875 is an apocalyptic number.

25140138875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25140138875 is a deficient number, since it is larger than the sum of its proper divisors (6234754597).

25140138875 is an equidigital number, since it uses as much as digits as its factorization.

25140138875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201121126 (or 201121116 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 44.

The spelling of 25140138875 in words is "twenty-five billion, one hundred forty million, one hundred thirty-eight thousand, eight hundred seventy-five".