516863011 has 4 divisors (see below), whose sum is σ = 590700592. Its totient is φ = 443025432.

The previous prime is 516863003. The next prime is 516863033. The reversal of 516863011 is 110368615.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 516863011 - 2³ = 516863003 is a prime.

It is a super-2 number, since 2×516863011² = 534294744279972242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (516863041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36918780 + ... + 36918793.

It is an arithmetic number, because the mean of its divisors is an integer number (147675148).

Almost surely, 2^516863011 is an apocalyptic number.

516863011 is a deficient number, since it is larger than the sum of its proper divisors (73837581).

516863011 is an equidigital number, since it uses as much as digits as its factorization.

516863011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73837580.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 516863011 is about 22734.6214175649. The cubic root of 516863011 is about 802.5248413165.

The spelling of 516863011 in words is "five hundred sixteen million, eight hundred sixty-three thousand, eleven".