551333131225 has 12 divisors (see below), whose sum is σ = 688643255484. Its totient is φ = 437847038720.

The previous prime is 551333131213. The next prime is 551333131247. The reversal of 551333131225 is 522131333155.

It can be written as a sum of positive squares in 6 ways, for example, as 62520649 + 551270610576 = 7907^2 + 742476^2 .

It is a de Polignac number, because none of the positive numbers 2^k-551333131225 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80483164 + ... + 80490013.

It is an arithmetic number, because the mean of its divisors is an integer number (57386937957).

Almost surely, 2^551333131225 is an apocalyptic number.

It is an amenable number.

551333131225 is a deficient number, since it is larger than the sum of its proper divisors (137310124259).

551333131225 is a wasteful number, since it uses less digits than its factorization.

551333131225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160973324 (or 160973319 counting only the distinct ones).

The product of its digits is 40500, while the sum is 34.

The spelling of 551333131225 in words is "five hundred fifty-one billion, three hundred thirty-three million, one hundred thirty-one thousand, two hundred twenty-five".