25915794275 has 12 divisors (see below), whose sum is σ = 36726382992. Its totient is φ = 17770830240.

The previous prime is 25915794271. The next prime is 25915794293. The reversal of 25915794275 is 57249751952.

It is not a de Polignac number, because 25915794275 - 2² = 25915794271 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25915794275.

It is not an unprimeable number, because it can be changed into a prime (25915794271) 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, 74044952 + ... + 74045301.

It is an arithmetic number, because the mean of its divisors is an integer number (3060531916).

Almost surely, 2^25915794275 is an apocalyptic number.

25915794275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25915794275 is a deficient number, since it is larger than the sum of its proper divisors (10810588717).

25915794275 is a wasteful number, since it uses less digits than its factorization.

25915794275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148090270 (or 148090265 counting only the distinct ones).

The product of its digits is 7938000, while the sum is 56.

The spelling of 25915794275 in words is "twenty-five billion, nine hundred fifteen million, seven hundred ninety-four thousand, two hundred seventy-five".