505053558131 has 2 divisors, whose sum is σ = 505053558132. Its totient is φ = 505053558130.

The previous prime is 505053558083. The next prime is 505053558133. The reversal of 505053558131 is 131855350505.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 505053558131 - 2²² = 505049363827 is a prime.

It is a super-2 number, since 2×505053558131² (a number of 24 digits) contains 22 as substring.

Together with 505053558133, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (505053558133) 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 as a sum of consecutive naturals, namely, 252526779065 + 252526779066.

It is an arithmetic number, because the mean of its divisors is an integer number (252526779066).

Almost surely, 2^505053558131 is an apocalyptic number.

505053558131 is a deficient number, since it is larger than the sum of its proper divisors (1).

505053558131 is an equidigital number, since it uses as much as digits as its factorization.

505053558131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225000, while the sum is 41.

The spelling of 505053558131 in words is "five hundred five billion, fifty-three million, five hundred fifty-eight thousand, one hundred thirty-one".