25139091316 has 24 divisors (see below), whose sum is σ = 44140299840. Its totient is φ = 12527617152.

The previous prime is 25139091277. The next prime is 25139091323. The reversal of 25139091316 is 61319093152.

It is a super-2 number, since 2×25139091316² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3467191 + ... + 3474433.

It is an arithmetic number, because the mean of its divisors is an integer number (1839179160).

Almost surely, 2^25139091316 is an apocalyptic number.

It is an amenable number.

25139091316 is a deficient number, since it is larger than the sum of its proper divisors (19001208524).

25139091316 is a wasteful number, since it uses less digits than its factorization.

25139091316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10023 (or 10021 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 40.

The spelling of 25139091316 in words is "twenty-five billion, one hundred thirty-nine million, ninety-one thousand, three hundred sixteen".