551322111267631 has 4 divisors (see below), whose sum is σ = 601442303201064. Its totient is φ = 501201919334200.

The previous prime is 551322111267623. The next prime is 551322111267649. The reversal of 551322111267631 is 136762111223155.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 551322111267631 - 2³ = 551322111267623 is a prime.

It is a super-2 number, since 2×551322111267631² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551322111267611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25060095966700 + ... + 25060095966721.

It is an arithmetic number, because the mean of its divisors is an integer number (150360575800266).

Almost surely, 2^{551322111267631} is an apocalyptic number.

551322111267631 is a deficient number, since it is larger than the sum of its proper divisors (50120191933433).

551322111267631 is a wasteful number, since it uses less digits than its factorization.

551322111267631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50120191933432.

The product of its digits is 453600, while the sum is 46.

The spelling of 551322111267631 in words is "five hundred fifty-one trillion, three hundred twenty-two billion, one hundred eleven million, two hundred sixty-seven thousand, six hundred thirty-one".