25540937375 has 8 divisors (see below), whose sum is σ = 31875090000. Its totient is φ = 20432749800.

The previous prime is 25540937369. The next prime is 25540937437. The reversal of 25540937375 is 57373904552.

It is not a de Polignac number, because 25540937375 - 2¹² = 25540933279 is a prime.

It is a congruent 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, 102163625 + ... + 102163874.

It is an arithmetic number, because the mean of its divisors is an integer number (3984386250).

Almost surely, 2^25540937375 is an apocalyptic number.

25540937375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25540937375 is a deficient number, since it is larger than the sum of its proper divisors (6334152625).

25540937375 is an equidigital number, since it uses as much as digits as its factorization.

25540937375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204327514 (or 204327504 counting only the distinct ones).

The product of its (nonzero) digits is 3969000, while the sum is 50.

The spelling of 25540937375 in words is "twenty-five billion, five hundred forty million, nine hundred thirty-seven thousand, three hundred seventy-five".