25132156156 has 6 divisors (see below), whose sum is σ = 43981273280. Its totient is φ = 12566078076.

The previous prime is 25132156139. The next prime is 25132156163. The reversal of 25132156156 is 65165123152.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3141519516 + ... + 3141519523.

Almost surely, 2^25132156156 is an apocalyptic number.

It is an amenable number.

25132156156 is a deficient number, since it is larger than the sum of its proper divisors (18849117124).

25132156156 is a wasteful number, since it uses less digits than its factorization.

25132156156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6283039043 (or 6283039041 counting only the distinct ones).

The product of its digits is 54000, while the sum is 37.

The spelling of 25132156156 in words is "twenty-five billion, one hundred thirty-two million, one hundred fifty-six thousand, one hundred fifty-six".