25137876952 has 16 divisors (see below), whose sum is σ = 47422684440. Its totient is φ = 12491827776.

The previous prime is 25137876943. The next prime is 25137876977. The reversal of 25137876952 is 25967873152.

It is a junction number, because it is equal to n+sod(n) for n = 25137876893 and 25137876902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9637453 + ... + 9640060.

Almost surely, 2^25137876952 is an apocalyptic number.

It is an amenable number.

25137876952 is a deficient number, since it is larger than the sum of its proper divisors (22284807488).

25137876952 is a wasteful number, since it uses less digits than its factorization.

25137876952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19277682 (or 19277678 counting only the distinct ones).

The product of its digits is 6350400, while the sum is 55.

The spelling of 25137876952 in words is "twenty-five billion, one hundred thirty-seven million, eight hundred seventy-six thousand, nine hundred fifty-two".