551655372131 has 12 divisors (see below), whose sum is σ = 582113855232. Its totient is φ = 522583055904.

The previous prime is 551655372109. The next prime is 551655372137. The reversal of 551655372131 is 131273556155.

It is not a de Polignac number, because 551655372131 - 2¹⁴ = 551655355747 is a prime.

It is a super-2 number, since 2×551655372131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551655372137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6143651 + ... + 6232796.

It is an arithmetic number, because the mean of its divisors is an integer number (48509487936).

Almost surely, 2^551655372131 is an apocalyptic number.

551655372131 is a deficient number, since it is larger than the sum of its proper divisors (30458483101).

551655372131 is a wasteful number, since it uses less digits than its factorization.

551655372131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12376558 (or 12376529 counting only the distinct ones).

The product of its digits is 472500, while the sum is 44.

The spelling of 551655372131 in words is "five hundred fifty-one billion, six hundred fifty-five million, three hundred seventy-two thousand, one hundred thirty-one".