511445342214977 has 2 divisors, whose sum is σ = 511445342214978. Its totient is φ = 511445342214976.

The previous prime is 511445342214943. The next prime is 511445342215013. The reversal of 511445342214977 is 779412243544115.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 407800705493776 + 103644636721201 = 20194076^2 + 10180601^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-511445342214977 is a prime.

It is a super-2 number, since 2×511445342214977² (a number of 30 digits) contains 22 as substring.

It is a weakly prime.

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, 255722671107488 + 255722671107489.

It is an arithmetic number, because the mean of its divisors is an integer number (255722671107489).

Almost surely, 2^{511445342214977} is an apocalyptic number.

It is an amenable number.

511445342214977 is a deficient number, since it is larger than the sum of its proper divisors (1).

511445342214977 is an equidigital number, since it uses as much as digits as its factorization.

511445342214977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33868800, while the sum is 59.

The spelling of 511445342214977 in words is "five hundred eleven trillion, four hundred forty-five billion, three hundred forty-two million, two hundred fourteen thousand, nine hundred seventy-seven".