25250025138875 has 16 divisors (see below), whose sum is σ = 31526335862112. Its totient is φ = 20190850567200.

The previous prime is 25250025138869. The next prime is 25250025138887. The reversal of 25250025138875 is 57883152005252.

It is not a de Polignac number, because 25250025138875 - 2⁴² = 20851978627771 is a prime.

It is a super-3 number, since 3×25250025138875³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45571244 + ... + 46121993.

It is an arithmetic number, because the mean of its divisors is an integer number (1970395991382).

Almost surely, 2^{25250025138875} is an apocalyptic number.

25250025138875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25250025138875 is a deficient number, since it is larger than the sum of its proper divisors (6276310723237).

25250025138875 is an equidigital number, since it uses as much as digits as its factorization.

25250025138875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91695455 (or 91695445 counting only the distinct ones).

The product of its (nonzero) digits is 6720000, while the sum is 53.

The spelling of 25250025138875 in words is "twenty-five trillion, two hundred fifty billion, twenty-five million, one hundred thirty-eight thousand, eight hundred seventy-five".