25116136650 has 72 divisors (see below), whose sum is σ = 73613127744. Its totient is φ = 6088759200.

The previous prime is 25116136649. The next prime is 25116136657. The reversal of 25116136650 is 5663161152.

25116136650 is a `hidden beast` number, since 2 + 511 + 6 + 136 + 6 + 5 + 0 = 666.

25116136650 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (25116136657) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 2532034 + ... + 2541933.

It is an arithmetic number, because the mean of its divisors is an integer number (1022404552).

Almost surely, 2^25116136650 is an apocalyptic number.

25116136650 is an abundant number, since it is smaller than the sum of its proper divisors (48496991094).

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

25116136650 is a wasteful number, since it uses less digits than its factorization.

25116136650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5073996 (or 5073988 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The spelling of 25116136650 in words is "twenty-five billion, one hundred sixteen million, one hundred thirty-six thousand, six hundred fifty".