551512232351112 has 16 divisors (see below), whose sum is σ = 1378780580877840. Its totient is φ = 183837410783696.

The previous prime is 551512232351057. The next prime is 551512232351147. The reversal of 551512232351112 is 211153232215155.

It is a happy 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, 11489838173958 + ... + 11489838174005.

It is an arithmetic number, because the mean of its divisors is an integer number (86173786304865).

Almost surely, 2^{551512232351112} is an apocalyptic number.

It is an amenable number.

551512232351112 is an abundant number, since it is smaller than the sum of its proper divisors (827268348526728).

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

551512232351112 is a wasteful number, since it uses less digits than its factorization.

551512232351112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22979676347972 (or 22979676347968 counting only the distinct ones).

The product of its digits is 90000, while the sum is 39.

Adding to 551512232351112 its reverse (211153232215155), we get a palindrome (762665464566267).

The spelling of 551512232351112 in words is "five hundred fifty-one trillion, five hundred twelve billion, two hundred thirty-two million, three hundred fifty-one thousand, one hundred twelve".