511160320651 has 2 divisors, whose sum is σ = 511160320652. Its totient is φ = 511160320650.

The previous prime is 511160320633. The next prime is 511160320661. The reversal of 511160320651 is 156023061115.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 511160320651 - 2⁷ = 511160320523 is a prime.

It is a super-2 number, since 2×511160320651² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (511160320661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255580160325 + 255580160326.

It is an arithmetic number, because the mean of its divisors is an integer number (255580160326).

Almost surely, 2^511160320651 is an apocalyptic number.

511160320651 is a deficient number, since it is larger than the sum of its proper divisors (1).

511160320651 is an equidigital number, since it uses as much as digits as its factorization.

511160320651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 31.

Adding to 511160320651 its reverse (156023061115), we get a palindrome (667183381766).

The spelling of 511160320651 in words is "five hundred eleven billion, one hundred sixty million, three hundred twenty thousand, six hundred fifty-one".