25342774315 has 4 divisors (see below), whose sum is σ = 30411329184. Its totient is φ = 20274219448.

The previous prime is 25342774291. The next prime is 25342774343. The reversal of 25342774315 is 51347724352.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25342774315 - 2⁵ = 25342774283 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2534277427 + ... + 2534277436.

It is an arithmetic number, because the mean of its divisors is an integer number (7602832296).

Almost surely, 2^25342774315 is an apocalyptic number.

25342774315 is a deficient number, since it is larger than the sum of its proper divisors (5068554869).

25342774315 is an equidigital number, since it uses as much as digits as its factorization.

25342774315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5068554868.

The product of its digits is 705600, while the sum is 43.

The spelling of 25342774315 in words is "twenty-five billion, three hundred forty-two million, seven hundred seventy-four thousand, three hundred fifteen".