25631145152 has 14 divisors (see below), whose sum is σ = 50861803788. Its totient is φ = 12815572544.

The previous prime is 25631145131. The next prime is 25631145167. The reversal of 25631145152 is 25154113652.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200243258 + ... + 200243385.

Almost surely, 2^25631145152 is an apocalyptic number.

It is an amenable number.

25631145152 is a deficient number, since it is larger than the sum of its proper divisors (25230658636).

25631145152 is an equidigital number, since it uses as much as digits as its factorization.

25631145152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400486655 (or 400486645 counting only the distinct ones).

The product of its digits is 36000, while the sum is 35.

The spelling of 25631145152 in words is "twenty-five billion, six hundred thirty-one million, one hundred forty-five thousand, one hundred fifty-two".