25213097100 has 36 divisors (see below), whose sum is σ = 72949895144. Its totient is φ = 6723492480.

The previous prime is 25213097093. The next prime is 25213097113. The reversal of 25213097100 is 179031252.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42021529 + ... + 42022128.

Almost surely, 2^25213097100 is an apocalyptic number.

25213097100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25213097100 is an abundant number, since it is smaller than the sum of its proper divisors (47736798044).

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

25213097100 is a wasteful number, since it uses less digits than its factorization.

25213097100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84043674 (or 84043667 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 30.

The spelling of 25213097100 in words is "twenty-five billion, two hundred thirteen million, ninety-seven thousand, one hundred".