516953730811 has 6 divisors (see below), whose sum is σ = 601354339980. Its totient is φ = 443103197796.

The previous prime is 516953730773. The next prime is 516953730817. The reversal of 516953730811 is 118037359615.

It is a happy number.

It is not a de Polignac number, because 516953730811 - 2⁹ = 516953730299 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49), and also a Moran number because the ratio is a prime number: 10550076139 = 516953730811 / (5 + 1 + 6 + 9 + 5 + 3 + 7 + 3 + 0 + 8 + 1 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (516953730817) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5275038021 + ... + 5275038118.

It is an arithmetic number, because the mean of its divisors is an integer number (100225723330).

Almost surely, 2^516953730811 is an apocalyptic number.

516953730811 is a deficient number, since it is larger than the sum of its proper divisors (84400609169).

516953730811 is a wasteful number, since it uses less digits than its factorization.

516953730811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10550076153 (or 10550076146 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 49.

The spelling of 516953730811 in words is "five hundred sixteen billion, nine hundred fifty-three million, seven hundred thirty thousand, eight hundred eleven".