555251559131 has 2 divisors, whose sum is σ = 555251559132. Its totient is φ = 555251559130.

The previous prime is 555251559113. The next prime is 555251559199. The reversal of 555251559131 is 131955152555.

Together with previous prime (555251559113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 555251559131 - 2⁶ = 555251559067 is a prime.

It is a super-2 number, since 2×555251559131² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (555251552131) by changing a digit.

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 as a sum of consecutive naturals, namely, 277625779565 + 277625779566.

It is an arithmetic number, because the mean of its divisors is an integer number (277625779566).

Almost surely, 2^555251559131 is an apocalyptic number.

555251559131 is a deficient number, since it is larger than the sum of its proper divisors (1).

555251559131 is an equidigital number, since it uses as much as digits as its factorization.

555251559131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 843750, while the sum is 47.

The spelling of 555251559131 in words is "five hundred fifty-five billion, two hundred fifty-one million, five hundred fifty-nine thousand, one hundred thirty-one".