25157258116 has 12 divisors (see below), whose sum is σ = 44045039500. Its totient is φ = 12572961120.

The previous prime is 25157258089. The next prime is 25157258143. The reversal of 25157258116 is 61185275152.

It is an interprime number because it is at equal distance from previous prime (25157258089) and next prime (25157258143).

It can be written as a sum of positive squares in 2 ways, for example, as 20881406016 + 4275852100 = 144504^2 + 65390^2 .

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1406991 + ... + 1424758.

Almost surely, 2^25157258116 is an apocalyptic number.

It is an amenable number.

25157258116 is a deficient number, since it is larger than the sum of its proper divisors (18887781384).

25157258116 is a wasteful number, since it uses less digits than its factorization.

25157258116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2833974 (or 2833972 counting only the distinct ones).

The product of its digits is 168000, while the sum is 43.

The spelling of 25157258116 in words is "twenty-five billion, one hundred fifty-seven million, two hundred fifty-eight thousand, one hundred sixteen".