25025503050 has 72 divisors (see below), whose sum is σ = 70158482784. Its totient is φ = 6383314080.

The previous prime is 25025503007. The next prime is 25025503081. The reversal of 25025503050 is 5030552052.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1198612 + ... + 1219311.

It is an arithmetic number, because the mean of its divisors is an integer number (974423372).

Almost surely, 2^25025503050 is an apocalyptic number.

25025503050 is an abundant number, since it is smaller than the sum of its proper divisors (45132979734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25025503050 is a wasteful number, since it uses less digits than its factorization.

25025503050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2417964 (or 2417956 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 27.

The spelling of 25025503050 in words is "twenty-five billion, twenty-five million, five hundred three thousand, fifty".