510256125133231 has 2 divisors, whose sum is σ = 510256125133232. Its totient is φ = 510256125133230.

The previous prime is 510256125133199. The next prime is 510256125133273. The reversal of 510256125133231 is 132331521652015.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 510256125133231 - 2⁵ = 510256125133199 is a prime.

It is a super-2 number, since 2×510256125133231² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (510256125133291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255128062566615 + 255128062566616.

It is an arithmetic number, because the mean of its divisors is an integer number (255128062566616).

Almost surely, 2^{510256125133231} is an apocalyptic number.

510256125133231 is a deficient number, since it is larger than the sum of its proper divisors (1).

510256125133231 is an equidigital number, since it uses as much as digits as its factorization.

510256125133231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162000, while the sum is 40.

Adding to 510256125133231 its reverse (132331521652015), we get a palindrome (642587646785246).

The spelling of 510256125133231 in words is "five hundred ten trillion, two hundred fifty-six billion, one hundred twenty-five million, one hundred thirty-three thousand, two hundred thirty-one".