511160321023 has 12 divisors (see below), whose sum is σ = 575557665984. Its totient is φ = 453357264800.

The previous prime is 511160320999. The next prime is 511160321051. The reversal of 511160321023 is 320123061115.

It is a happy number.

It is not a de Polignac number, because 511160321023 - 2⁹ = 511160320511 is a prime.

It is a super-2 number, since 2×511160321023² (a number of 24 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 (511160321093) 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 in 11 ways as a sum of consecutive naturals, for example, 51512911 + ... + 51522832.

It is an arithmetic number, because the mean of its divisors is an integer number (47963138832).

Almost surely, 2^511160321023 is an apocalyptic number.

511160321023 is a deficient number, since it is larger than the sum of its proper divisors (64397344961).

511160321023 is a wasteful number, since it uses less digits than its factorization.

511160321023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103035806 (or 103035795 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

Adding to 511160321023 its reverse (320123061115), we get a palindrome (831283382138).

The spelling of 511160321023 in words is "five hundred eleven billion, one hundred sixty million, three hundred twenty-one thousand, twenty-three".