551222131032504 has 96 divisors (see below), whose sum is σ = 1546759327932000. Its totient is φ = 177130627328256.

The previous prime is 551222131032479. The next prime is 551222131032509. The reversal of 551222131032504 is 405230131222155.

551222131032504 is a `hidden beast` number, since 5 + 5 + 1 + 22 + 21 + 3 + 103 + 2 + 504 = 666.

It is a super-4 number, since 4×551222131032504⁴ (a number of 60 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551222131032509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 202663959 + ... + 205365830.

It is an arithmetic number, because the mean of its divisors is an integer number (16112076332625).

Almost surely, 2^{551222131032504} is an apocalyptic number.

It is an amenable number.

551222131032504 is an abundant number, since it is smaller than the sum of its proper divisors (995537196899496).

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

551222131032504 is a wasteful number, since it uses less digits than its factorization.

551222131032504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408030477 (or 408030470 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

Adding to 551222131032504 its reverse (405230131222155), we get a palindrome (956452262254659).

The spelling of 551222131032504 in words is "five hundred fifty-one trillion, two hundred twenty-two billion, one hundred thirty-one million, thirty-two thousand, five hundred four".