25058494100 has 18 divisors (see below), whose sum is σ = 54376932414. Its totient is φ = 10023397600.

The previous prime is 25058494093. The next prime is 25058494157. The reversal of 25058494100 is 149485052.

It can be written as a sum of positive squares in 3 ways, for example, as 8223950596 + 16834543504 = 90686^2 + 129748^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 125292371 + ... + 125292570.

Almost surely, 2^25058494100 is an apocalyptic number.

25058494100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25058494100 is an abundant number, since it is smaller than the sum of its proper divisors (29318438314).

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

25058494100 is a wasteful number, since it uses less digits than its factorization.

25058494100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250584955 (or 250584948 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 38.

The spelling of 25058494100 in words is "twenty-five billion, fifty-eight million, four hundred ninety-four thousand, one hundred".