25111132223 has 12 divisors (see below), whose sum is σ = 25675036152. Its totient is φ = 24559368720.

The previous prime is 25111132201. The next prime is 25111132231. The reversal of 25111132223 is 32223111152.

It is not a de Polignac number, because 25111132223 - 2⁸ = 25111131967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25111132723) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3997361 + ... + 4003637.

It is an arithmetic number, because the mean of its divisors is an integer number (2139586346).

Almost surely, 2^25111132223 is an apocalyptic number.

25111132223 is a deficient number, since it is larger than the sum of its proper divisors (563903929).

25111132223 is an equidigital number, since it uses as much as digits as its factorization.

25111132223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8182 (or 8135 counting only the distinct ones).

The product of its digits is 720, while the sum is 23.

Adding to 25111132223 its reverse (32223111152), we get a palindrome (57334243375).

The spelling of 25111132223 in words is "twenty-five billion, one hundred eleven million, one hundred thirty-two thousand, two hundred twenty-three".