25223135112 has 48 divisors (see below), whose sum is σ = 78071610240. Its totient is φ = 7206609888.

The previous prime is 25223135107. The next prime is 25223135117. The reversal of 25223135112 is 21153132252.

25223135112 is a `hidden beast` number, since 2 + 522 + 3 + 135 + 1 + 1 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (25223135107) and next prime (25223135117).

It is not an unprimeable number, because it can be changed into a prime (25223135117) 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, 25022448 + ... + 25023455.

It is an arithmetic number, because the mean of its divisors is an integer number (1626491880).

Almost surely, 2^25223135112 is an apocalyptic number.

It is an amenable number.

25223135112 is an abundant number, since it is smaller than the sum of its proper divisors (52848475128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25223135112 is a wasteful number, since it uses less digits than its factorization.

25223135112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50045922 (or 50045915 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

Adding to 25223135112 its reverse (21153132252), we get a palindrome (46376267364).

The spelling of 25223135112 in words is "twenty-five billion, two hundred twenty-three million, one hundred thirty-five thousand, one hundred twelve".