25050500500 has 24 divisors (see below), whose sum is σ = 54710294184. Its totient is φ = 10020200000.

The previous prime is 25050500443. The next prime is 25050500507. The reversal of 25050500500 is 500505052.

It can be written as a sum of positive squares in 4 ways, for example, as 212110096 + 24838390404 = 14564^2 + 157602^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25050500507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25050001 + ... + 25051000.

It is an arithmetic number, because the mean of its divisors is an integer number (2279595591).

Almost surely, 2^25050500500 is an apocalyptic number.

25050500500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25050500500 is an abundant number, since it is smaller than the sum of its proper divisors (29659793684).

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

25050500500 is a wasteful number, since it uses less digits than its factorization.

25050500500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50101020 (or 50101008 counting only the distinct ones).

The product of its (nonzero) digits is 1250, while the sum is 22.

The spelling of 25050500500 in words is "twenty-five billion, fifty million, five hundred thousand, five hundred".