8106617611511 has 4 divisors (see below), whose sum is σ = 8107189440432. Its totient is φ = 8106045782592.

The previous prime is 8106617611507. The next prime is 8106617611513. The reversal of 8106617611511 is 1151167166018.

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 8106617611511 - 2² = 8106617611507 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8106617611513) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 285893195 + ... + 285921548.

It is an arithmetic number, because the mean of its divisors is an integer number (2026797360108).

Almost surely, 2^{8106617611511} is an apocalyptic number.

8106617611511 is a deficient number, since it is larger than the sum of its proper divisors (571828921).

8106617611511 is a wasteful number, since it uses less digits than its factorization.

8106617611511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571828920.

The product of its (nonzero) digits is 60480, while the sum is 44.

The spelling of 8106617611511 in words is "eight trillion, one hundred six billion, six hundred seventeen million, six hundred eleven thousand, five hundred eleven".