25287903915375 has 16 divisors (see below), whose sum is σ = 42079072115808. Its totient is φ = 13486882088000.

The previous prime is 25287903915343. The next prime is 25287903915467. The reversal of 25287903915375 is 57351930978252.

It is not a de Polignac number, because 25287903915375 - 2⁵ = 25287903915343 is a prime.

It is a super-2 number, since 2×25287903915375² (a number of 28 digits) contains 22 as substring.

It is a congruent 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, 33717204846 + ... + 33717205595.

It is an arithmetic number, because the mean of its divisors is an integer number (2629942007238).

Almost surely, 2^{25287903915375} is an apocalyptic number.

25287903915375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25287903915375 is a deficient number, since it is larger than the sum of its proper divisors (16791168200433).

25287903915375 is an equidigital number, since it uses as much as digits as its factorization.

25287903915375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67434410459 (or 67434410449 counting only the distinct ones).

The product of its (nonzero) digits is 142884000, while the sum is 66.

The spelling of 25287903915375 in words is "twenty-five trillion, two hundred eighty-seven billion, nine hundred three million, nine hundred fifteen thousand, three hundred seventy-five".