25761407275 has 24 divisors (see below), whose sum is σ = 32083375104. Its totient is φ = 20519479200.

The previous prime is 25761407263. The next prime is 25761407291. The reversal of 25761407275 is 57270416752.

It is a de Polignac number, because none of the positive numbers 2^k-25761407275 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8132742 + ... + 8135908.

It is an arithmetic number, because the mean of its divisors is an integer number (1336807296).

Almost surely, 2^25761407275 is an apocalyptic number.

25761407275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25761407275 is a deficient number, since it is larger than the sum of its proper divisors (6321967829).

25761407275 is a wasteful number, since it uses less digits than its factorization.

25761407275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4491 (or 4486 counting only the distinct ones).

The product of its (nonzero) digits is 823200, while the sum is 46.

The spelling of 25761407275 in words is "twenty-five billion, seven hundred sixty-one million, four hundred seven thousand, two hundred seventy-five".