25535954875 has 16 divisors (see below), whose sum is σ = 33546183840. Its totient is φ = 19353564000.

The previous prime is 25535954867. The next prime is 25535954903. The reversal of 25535954875 is 57845953552.

It is not a de Polignac number, because 25535954875 - 2³ = 25535954867 is a prime.

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, 5373616 + ... + 5378365.

It is an arithmetic number, because the mean of its divisors is an integer number (2096636490).

Almost surely, 2^25535954875 is an apocalyptic number.

25535954875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25535954875 is a deficient number, since it is larger than the sum of its proper divisors (8010228965).

25535954875 is a wasteful number, since it uses less digits than its factorization.

25535954875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10752015 (or 10752005 counting only the distinct ones).

The product of its digits is 37800000, while the sum is 58.

The spelling of 25535954875 in words is "twenty-five billion, five hundred thirty-five million, nine hundred fifty-four thousand, eight hundred seventy-five".