2911111113 has 16 divisors (see below), whose sum is σ = 3970279616. Its totient is φ = 1896747840.

The previous prime is 2911111109. The next prime is 2911111121. The reversal of 2911111113 is 3111111192.

It is not a de Polignac number, because 2911111113 - 2² = 2911111109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2911111113.

It is not an unprimeable number, because it can be changed into a prime (2911111103) 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, 21931 + ... + 79392.

It is an arithmetic number, because the mean of its divisors is an integer number (248142476).

Almost surely, 2^2911111113 is an apocalyptic number.

It is an amenable number.

2911111113 is a deficient number, since it is larger than the sum of its proper divisors (1059168503).

2911111113 is a wasteful number, since it uses less digits than its factorization.

2911111113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101544.

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

The square root of 2911111113 is about 53954.7135382999. The cubic root of 2911111113 is about 1427.8620820085.

The spelling of 2911111113 in words is "two billion, nine hundred eleven million, one hundred eleven thousand, one hundred thirteen".