25606630132 has 12 divisors (see below), whose sum is σ = 45108369376. Its totient is φ = 12718524600.

The previous prime is 25606630123. The next prime is 25606630139. The reversal of 25606630132 is 23103660652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25606630139) 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 3 ways as a sum of consecutive naturals, for example, 21196938 + ... + 21198145.

Almost surely, 2^25606630132 is an apocalyptic number.

It is an amenable number.

25606630132 is a deficient number, since it is larger than the sum of its proper divisors (19501739244).

25606630132 is a wasteful number, since it uses less digits than its factorization.

25606630132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42395238 (or 42395236 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 34.

The spelling of 25606630132 in words is "twenty-five billion, six hundred six million, six hundred thirty thousand, one hundred thirty-two".