25270316136 has 48 divisors (see below), whose sum is σ = 73705091460. Its totient is φ = 7775481600.

The previous prime is 25270316117. The next prime is 25270316161. The reversal of 25270316136 is 63161307252.

25270316136 is a `hidden beast` number, since 2 + 5 + 2 + 7 + 0 + 31 + 613 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 22318567236 + 2951748900 = 149394^2 + 54330^2 .

It is a super-2 number, since 2×25270316136² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 25270316136.

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 11 ways as a sum of consecutive naturals, for example, 13498165 + ... + 13500036.

Almost surely, 2^25270316136 is an apocalyptic number.

25270316136 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

25270316136 is an abundant number, since it is smaller than the sum of its proper divisors (48434775324).

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

25270316136 is a wasteful number, since it uses less digits than its factorization.

25270316136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26998226 (or 26998219 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The spelling of 25270316136 in words is "twenty-five billion, two hundred seventy million, three hundred sixteen thousand, one hundred thirty-six".