15425222113312 has 48 divisors (see below), whose sum is σ = 33131088547200. Its totient is φ = 7011058602240.

The previous prime is 15425222113267. The next prime is 15425222113349. The reversal of 15425222113312 is 21331122252451.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4860889 + ... + 7380967.

It is an arithmetic number, because the mean of its divisors is an integer number (690231011400).

Almost surely, 2^{15425222113312} is an apocalyptic number.

It is an amenable number.

15425222113312 is an abundant number, since it is smaller than the sum of its proper divisors (17705866433888).

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

15425222113312 is a wasteful number, since it uses less digits than its factorization.

15425222113312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2537489 (or 2537481 counting only the distinct ones).

The product of its digits is 28800, while the sum is 34.

Adding to 15425222113312 its reverse (21331122252451), we get a palindrome (36756344365763).

The spelling of 15425222113312 in words is "fifteen trillion, four hundred twenty-five billion, two hundred twenty-two million, one hundred thirteen thousand, three hundred twelve".