25716133902 has 32 divisors (see below), whose sum is σ = 54643802400. Its totient is φ = 8052766848.

The previous prime is 25716133901. The next prime is 25716133907. The reversal of 25716133902 is 20933161752.

It is a happy number.

It is a super-2 number, since 2×25716133902² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25716133901) 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 15 ways as a sum of consecutive naturals, for example, 1990777 + ... + 2003652.

It is an arithmetic number, because the mean of its divisors is an integer number (1707618825).

Almost surely, 2^25716133902 is an apocalyptic number.

25716133902 is an abundant number, since it is smaller than the sum of its proper divisors (28927668498).

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

25716133902 is a wasteful number, since it uses less digits than its factorization.

25716133902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3994500.

The product of its (nonzero) digits is 68040, while the sum is 39.

The spelling of 25716133902 in words is "twenty-five billion, seven hundred sixteen million, one hundred thirty-three thousand, nine hundred two".