25726625156 has 48 divisors (see below), whose sum is σ = 46085886000. Its totient is φ = 12563527680.

The previous prime is 25726625069. The next prime is 25726625159. The reversal of 25726625156 is 65152662752.

It can be written as a sum of positive squares in 8 ways, for example, as 2558741056 + 23167884100 = 50584^2 + 152210^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 25726625156.

It is not an unprimeable number, because it can be changed into a prime (25726625159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15870026 + ... + 15871646.

It is an arithmetic number, because the mean of its divisors is an integer number (960122625).

Almost surely, 2^25726625156 is an apocalyptic number.

It is an amenable number.

25726625156 is a deficient number, since it is larger than the sum of its proper divisors (20359260844).

25726625156 is a wasteful number, since it uses less digits than its factorization.

25726625156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2232 (or 2230 counting only the distinct ones).

The product of its digits is 1512000, while the sum is 47.

The spelling of 25726625156 in words is "twenty-five billion, seven hundred twenty-six million, six hundred twenty-five thousand, one hundred fifty-six".