100000000025 has 24 divisors (see below), whose sum is σ = 127635640320. Its totient is φ = 77681237760.

The previous prime is 100000000019. The next prime is 100000000057. The reversal of 100000000025 is 520000000001.

It is not a de Polignac number, because 100000000025 - 2⁸ = 99999999769 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99999999940 and 100000000021.

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, 185840 + ... + 484289.

It is an arithmetic number, because the mean of its divisors is an integer number (5318151680).

Almost surely, 2^100000000025 is an apocalyptic number.

It is an amenable number.

100000000025 is a deficient number, since it is larger than the sum of its proper divisors (27635640295).

100000000025 is a wasteful number, since it uses less digits than its factorization.

100000000025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670313 (or 670308 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 8.

Adding to 100000000025 its reverse (520000000001), we get a palindrome (620000000026).

The spelling of 100000000025 in words is "one hundred billion, twenty-five", and thus it is an aban number.