6515633164011 has 4 divisors (see below), whose sum is σ = 8687510885352. Its totient is φ = 4343755442672.

The previous prime is 6515633163989. The next prime is 6515633164063. The reversal of 6515633164011 is 1104613365156.

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 6515633164011 - 2⁶ = 6515633163947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6515633165011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1085938860666 + ... + 1085938860671.

It is an arithmetic number, because the mean of its divisors is an integer number (2171877721338).

Almost surely, 2^{6515633164011} is an apocalyptic number.

6515633164011 is a deficient number, since it is larger than the sum of its proper divisors (2171877721341).

6515633164011 is a wasteful number, since it uses less digits than its factorization.

6515633164011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2171877721340.

The product of its (nonzero) digits is 194400, while the sum is 42.

The spelling of 6515633164011 in words is "six trillion, five hundred fifteen billion, six hundred thirty-three million, one hundred sixty-four thousand, eleven".