25131616102 has 8 divisors (see below), whose sum is σ = 37751981112. Its totient is φ = 12547622400.

The previous prime is 25131616091. The next prime is 25131616109. The reversal of 25131616102 is 20161613152.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25131616109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9091099 + ... + 9093862.

It is an arithmetic number, because the mean of its divisors is an integer number (4718997639).

Almost surely, 2^25131616102 is an apocalyptic number.

25131616102 is a deficient number, since it is larger than the sum of its proper divisors (12620365010).

25131616102 is a wasteful number, since it uses less digits than its factorization.

25131616102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18185654.

The product of its (nonzero) digits is 2160, while the sum is 28.

The spelling of 25131616102 in words is "twenty-five billion, one hundred thirty-one million, six hundred sixteen thousand, one hundred two".