25193051875 has 20 divisors (see below), whose sum is σ = 31506452208. Its totient is φ = 20138300000.

The previous prime is 25193051837. The next prime is 25193051879. The reversal of 25193051875 is 57815039152.

It is not a de Polignac number, because 25193051875 - 2²⁵ = 25159497443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25193051879) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 797634 + ... + 828616.

Almost surely, 2^25193051875 is an apocalyptic number.

25193051875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25193051875 is a deficient number, since it is larger than the sum of its proper divisors (6313400333).

25193051875 is an equidigital number, since it uses as much as digits as its factorization.

25193051875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32304 (or 32289 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 46.

The spelling of 25193051875 in words is "twenty-five billion, one hundred ninety-three million, fifty-one thousand, eight hundred seventy-five".