25255917675 has 72 divisors (see below), whose sum is σ = 48269889200. Its totient is φ = 12585922560.

The previous prime is 25255917649. The next prime is 25255917679. The reversal of 25255917675 is 57671955252.

25255917675 is a `hidden beast` number, since 2 + 5 + 2 + 559 + 17 + 6 + 75 = 666.

It is not a de Polignac number, because 25255917675 - 2¹¹ = 25255915627 is a prime.

It is a super-2 number, since 2×25255917675² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25255917679) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 271611 + ... + 352539.

Almost surely, 2^25255917675 is an apocalyptic number.

25255917675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25255917675 is a deficient number, since it is larger than the sum of its proper divisors (23013971525).

25255917675 is a wasteful number, since it uses less digits than its factorization.

25255917675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81037 (or 81029 counting only the distinct ones).

The product of its digits is 6615000, while the sum is 54.

The spelling of 25255917675 in words is "twenty-five billion, two hundred fifty-five million, nine hundred seventeen thousand, six hundred seventy-five".