253642213513112 has 16 divisors (see below), whose sum is σ = 475579667082600. Its totient is φ = 126820968957760.

The previous prime is 253642213513109. The next prime is 253642213513187. The reversal of 253642213513112 is 211315312246352.

It is a self number, because there is not a number n which added to its sum of digits gives 253642213513112.

It is a congruent 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, 9181037 + ... + 24322332.

Almost surely, 2^{253642213513112} is an apocalyptic number.

It is an amenable number.

253642213513112 is a deficient number, since it is larger than the sum of its proper divisors (221937453569488).

253642213513112 is a wasteful number, since it uses less digits than its factorization.

253642213513112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34449706 (or 34449702 counting only the distinct ones).

The product of its digits is 259200, while the sum is 41.

Adding to 253642213513112 its reverse (211315312246352), we get a palindrome (464957525759464).

The spelling of 253642213513112 in words is "two hundred fifty-three trillion, six hundred forty-two billion, two hundred thirteen million, five hundred thirteen thousand, one hundred twelve".