551253235132 has 12 divisors (see below), whose sum is σ = 967736359800. Its totient is φ = 274757132336.

The previous prime is 551253235063. The next prime is 551253235177. The reversal of 551253235132 is 231532352155.

It is a junction number, because it is equal to n+sod(n) for n = 551253235091 and 551253235100.

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, 217369882 + ... + 217372417.

It is an arithmetic number, because the mean of its divisors is an integer number (80644696650).

Almost surely, 2^551253235132 is an apocalyptic number.

It is an amenable number.

551253235132 is a deficient number, since it is larger than the sum of its proper divisors (416483124668).

551253235132 is a wasteful number, since it uses less digits than its factorization.

551253235132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434742620 (or 434742618 counting only the distinct ones).

The product of its digits is 135000, while the sum is 37.

Adding to 551253235132 its reverse (231532352155), we get a palindrome (782785587287).

The spelling of 551253235132 in words is "five hundred fifty-one billion, two hundred fifty-three million, two hundred thirty-five thousand, one hundred thirty-two".