25023204775 has 24 divisors (see below), whose sum is σ = 32388177024. Its totient is φ = 19142085600.

The previous prime is 25023204719. The next prime is 25023204809. The reversal of 25023204775 is 57740232052.

It is not a de Polignac number, because 25023204775 - 2²¹ = 25021107623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2747980 + ... + 2757070.

It is an arithmetic number, because the mean of its divisors is an integer number (1349507376).

Almost surely, 2^25023204775 is an apocalyptic number.

25023204775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25023204775 is a deficient number, since it is larger than the sum of its proper divisors (7364972249).

25023204775 is a wasteful number, since it uses less digits than its factorization.

25023204775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13911 (or 13906 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 37.

The spelling of 25023204775 in words is "twenty-five billion, twenty-three million, two hundred four thousand, seven hundred seventy-five".