511161253583 has 2 divisors, whose sum is σ = 511161253584. Its totient is φ = 511161253582.

The previous prime is 511161253531. The next prime is 511161253597. The reversal of 511161253583 is 385352161115.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-511161253583 is a prime.

It is a super-2 number, since 2×511161253583² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 511161253583.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (511161253513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255580626791 + 255580626792.

It is an arithmetic number, because the mean of its divisors is an integer number (255580626792).

Almost surely, 2^511161253583 is an apocalyptic number.

511161253583 is a deficient number, since it is larger than the sum of its proper divisors (1).

511161253583 is an equidigital number, since it uses as much as digits as its factorization.

511161253583 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108000, while the sum is 41.

The spelling of 511161253583 in words is "five hundred eleven billion, one hundred sixty-one million, two hundred fifty-three thousand, five hundred eighty-three".