25425525511115 has 4 divisors (see below), whose sum is σ = 30510630613344. Its totient is φ = 20340420408888.

The previous prime is 25425525511093. The next prime is 25425525511153. The reversal of 25425525511115 is 51111552552452.

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 25425525511115 - 2⁸ = 25425525510859 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, 2542552551107 + ... + 2542552551116.

It is an arithmetic number, because the mean of its divisors is an integer number (7627657653336).

Almost surely, 2^{25425525511115} is an apocalyptic number.

25425525511115 is a deficient number, since it is larger than the sum of its proper divisors (5085105102229).

25425525511115 is an equidigital number, since it uses as much as digits as its factorization.

25425525511115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5085105102228.

The product of its digits is 500000, while the sum is 44.

The spelling of 25425525511115 in words is "twenty-five trillion, four hundred twenty-five billion, five hundred twenty-five million, five hundred eleven thousand, one hundred fifteen".