25113025156 has 6 divisors (see below), whose sum is σ = 43947794030. Its totient is φ = 12556512576.

The previous prime is 25113025129. The next prime is 25113025159. The reversal of 25113025156 is 65152031152.

It can be written as a sum of positive squares in only one way, i.e., 23265400900 + 1847624256 = 152530^2 + 42984^2 .

It is not an unprimeable number, because it can be changed into a prime (25113025159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3139128141 + ... + 3139128148.

Almost surely, 2^25113025156 is an apocalyptic number.

It is an amenable number.

25113025156 is a deficient number, since it is larger than the sum of its proper divisors (18834768874).

25113025156 is a wasteful number, since it uses less digits than its factorization.

25113025156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6278256293 (or 6278256291 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 31.

The spelling of 25113025156 in words is "twenty-five billion, one hundred thirteen million, twenty-five thousand, one hundred fifty-six".