25771975148 has 12 divisors (see below), whose sum is σ = 45289665120. Its totient is φ = 12832070832.

The previous prime is 25771975133. The next prime is 25771975189. The reversal of 25771975148 is 84157917752.

It is a junction number, because it is equal to n+sod(n) for n = 25771975093 and 25771975102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13478111 + ... + 13480022.

It is an arithmetic number, because the mean of its divisors is an integer number (3774138760).

Almost surely, 2^25771975148 is an apocalyptic number.

It is an amenable number.

25771975148 is a deficient number, since it is larger than the sum of its proper divisors (19517689972).

25771975148 is a wasteful number, since it uses less digits than its factorization.

25771975148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26958376 (or 26958374 counting only the distinct ones).

The product of its digits is 4939200, while the sum is 56.

The spelling of 25771975148 in words is "twenty-five billion, seven hundred seventy-one million, nine hundred seventy-five thousand, one hundred forty-eight".