25342531311 has 16 divisors (see below), whose sum is σ = 34402147200. Its totient is φ = 16589624928.

The previous prime is 25342531307. The next prime is 25342531343. The reversal of 25342531311 is 11313524352.

It is not a de Polignac number, because 25342531311 - 2² = 25342531307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25342538311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73600 + ... + 236858.

It is an arithmetic number, because the mean of its divisors is an integer number (2150134200).

Almost surely, 2^25342531311 is an apocalyptic number.

25342531311 is a deficient number, since it is larger than the sum of its proper divisors (9059615889).

25342531311 is a wasteful number, since it uses less digits than its factorization.

25342531311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164198.

The product of its digits is 10800, while the sum is 30.

The spelling of 25342531311 in words is "twenty-five billion, three hundred forty-two million, five hundred thirty-one thousand, three hundred eleven".