25716138700 has 36 divisors (see below), whose sum is σ = 63776025712. Its totient is φ = 8816961600.

The previous prime is 25716138673. The next prime is 25716138719. The reversal of 25716138700 is 783161752.

It is a super-2 number, since 2×25716138700² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18367971 + ... + 18369370.

Almost surely, 2^25716138700 is an apocalyptic number.

25716138700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25716138700 is an abundant number, since it is smaller than the sum of its proper divisors (38059887012).

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

25716138700 is a wasteful number, since it uses less digits than its factorization.

25716138700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36737362 (or 36737355 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 40.

The spelling of 25716138700 in words is "twenty-five billion, seven hundred sixteen million, one hundred thirty-eight thousand, seven hundred".