25355775025 has 48 divisors (see below), whose sum is σ = 38628956160. Its totient is φ = 16121160000.

The previous prime is 25355774947. The next prime is 25355775031. The reversal of 25355775025 is 52057755352.

It is not a de Polignac number, because 25355775025 - 2¹³ = 25355766833 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 75150 + ... + 237400.

It is an arithmetic number, because the mean of its divisors is an integer number (804769920).

Almost surely, 2^25355775025 is an apocalyptic number.

25355775025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25355775025 is a deficient number, since it is larger than the sum of its proper divisors (13273181135).

25355775025 is a wasteful number, since it uses less digits than its factorization.

25355775025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162334 (or 162329 counting only the distinct ones).

The product of its (nonzero) digits is 1837500, while the sum is 46.

The spelling of 25355775025 in words is "twenty-five billion, three hundred fifty-five million, seven hundred seventy-five thousand, twenty-five".