25139497083 has 8 divisors (see below), whose sum is σ = 34068826896. Its totient is φ = 16484916000.

The previous prime is 25139497057. The next prime is 25139497111. The reversal of 25139497083 is 38079493152.

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

It is not a de Polignac number, because 25139497083 - 2²⁵ = 25105942651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25139497013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68686968 + ... + 68687333.

It is an arithmetic number, because the mean of its divisors is an integer number (4258603362).

Almost surely, 2^25139497083 is an apocalyptic number.

25139497083 is a deficient number, since it is larger than the sum of its proper divisors (8929329813).

25139497083 is a wasteful number, since it uses less digits than its factorization.

25139497083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137374365.

The product of its (nonzero) digits is 1632960, while the sum is 51.

The spelling of 25139497083 in words is "twenty-five billion, one hundred thirty-nine million, four hundred ninety-seven thousand, eighty-three".