25140152889 has 12 divisors (see below), whose sum is σ = 36317217300. Its totient is φ = 16758411264.

The previous prime is 25140152887. The next prime is 25140152897. The reversal of 25140152889 is 98825104152.

25140152889 is a `hidden beast` number, since 2 + 5 + 1 + 40 + 1 + 528 + 89 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 23813736489 + 1326416400 = 154317^2 + 36420^2 .

It is not a de Polignac number, because 25140152889 - 2¹ = 25140152887 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25140152881) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43144 + ... + 228345.

It is an arithmetic number, because the mean of its divisors is an integer number (3026434775).

Almost surely, 2^25140152889 is an apocalyptic number.

It is an amenable number.

25140152889 is a deficient number, since it is larger than the sum of its proper divisors (11177064411).

25140152889 is a wasteful number, since it uses less digits than its factorization.

25140152889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281784 (or 281781 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 45.

The spelling of 25140152889 in words is "twenty-five billion, one hundred forty million, one hundred fifty-two thousand, eight hundred eighty-nine".