25199372275 has 72 divisors (see below), whose sum is σ = 39327482880. Its totient is φ = 15678801600.

The previous prime is 25199372273. The next prime is 25199372281. The reversal of 25199372275 is 57227399152.

It is not a de Polignac number, because 25199372275 - 2¹ = 25199372273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25199372273) 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, 17511006 + ... + 17512444.

It is an arithmetic number, because the mean of its divisors is an integer number (546215040).

Almost surely, 2^25199372275 is an apocalyptic number.

25199372275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25199372275 is a deficient number, since it is larger than the sum of its proper divisors (14128110605).

25199372275 is a wasteful number, since it uses less digits than its factorization.

25199372275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2305 (or 2289 counting only the distinct ones).

The product of its digits is 2381400, while the sum is 52.

The spelling of 25199372275 in words is "twenty-five billion, one hundred ninety-nine million, three hundred seventy-two thousand, two hundred seventy-five".