25066152136 has 8 divisors (see below), whose sum is σ = 46999035270. Its totient is φ = 12533076064.

The previous prime is 25066152113. The next prime is 25066152157. The reversal of 25066152136 is 63125166052.

It can be written as a sum of positive squares in only one way, i.e., 22468211236 + 2597940900 = 149894^2 + 50970^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 25066152095 and 25066152104.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1566634501 + ... + 1566634516.

Almost surely, 2^25066152136 is an apocalyptic number.

It is an amenable number.

25066152136 is a deficient number, since it is larger than the sum of its proper divisors (21932883134).

25066152136 is a wasteful number, since it uses less digits than its factorization.

25066152136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3133269023 (or 3133269019 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 25066152136 in words is "twenty-five billion, sixty-six million, one hundred fifty-two thousand, one hundred thirty-six".