6111611156666 has 8 divisors (see below), whose sum is σ = 9322796679840. Its totient is φ = 3004012263388.

The previous prime is 6111611156621. The next prime is 6111611156689. The reversal of 6111611156666 is 6666511161116.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 6111611156666.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25896657326 + ... + 25896657561.

It is an arithmetic number, because the mean of its divisors is an integer number (1165349584980).

Almost surely, 2^{6111611156666} is an apocalyptic number.

6111611156666 is a deficient number, since it is larger than the sum of its proper divisors (3211185523174).

6111611156666 is a wasteful number, since it uses less digits than its factorization.

6111611156666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51793314948.

The product of its digits is 233280, while the sum is 47.

The spelling of 6111611156666 in words is "six trillion, one hundred eleven billion, six hundred eleven million, one hundred fifty-six thousand, six hundred sixty-six".