25117095338 has 8 divisors (see below), whose sum is σ = 37677458532. Its totient is φ = 12557942496.

The previous prime is 25117095337. The next prime is 25117095389. The reversal of 25117095338 is 83359071152.

It can be written as a sum of positive squares in 2 ways, for example, as 23587737889 + 1529357449 = 153583^2 + 39107^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (25117095337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248795 + ... + 334862.

Almost surely, 2^25117095338 is an apocalyptic number.

25117095338 is a deficient number, since it is larger than the sum of its proper divisors (12560363194).

25117095338 is a wasteful number, since it uses less digits than its factorization.

25117095338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605176.

The product of its (nonzero) digits is 226800, while the sum is 44.

The spelling of 25117095338 in words is "twenty-five billion, one hundred seventeen million, ninety-five thousand, three hundred thirty-eight".