6111011091 has 16 divisors (see below), whose sum is σ = 8540864640. Its totient is φ = 3882204480.

The previous prime is 6111011087. The next prime is 6111011143. The reversal of 6111011091 is 1901101116.

It is not a de Polignac number, because 6111011091 - 2² = 6111011087 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6111011891) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 572421 + ... + 582998.

It is an arithmetic number, because the mean of its divisors is an integer number (533804040).

Almost surely, 2^6111011091 is an apocalyptic number.

6111011091 is a deficient number, since it is larger than the sum of its proper divisors (2429853549).

6111011091 is a wasteful number, since it uses less digits than its factorization.

6111011091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155506.

The product of its (nonzero) digits is 54, while the sum is 21.

The square root of 6111011091 is about 78172.9562636594. The cubic root of 6111011091 is about 1828.2588763754.

The spelling of 6111011091 in words is "six billion, one hundred eleven million, eleven thousand, ninety-one".