1116009111 has 16 divisors (see below), whose sum is σ = 1701149184. Its totient is φ = 637508064.

The previous prime is 1116009107. The next prime is 1116009127. The reversal of 1116009111 is 1119006111.

It is not a de Polignac number, because 1116009111 - 2² = 1116009107 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

1116009111 is a strobogrammatic number because it is the same when read upside-down.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116009101) 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, 74245 + ... + 88001.

It is an arithmetic number, because the mean of its divisors is an integer number (106321824).

Almost surely, 2^1116009111 is an apocalyptic number.

1116009111 is a deficient number, since it is larger than the sum of its proper divisors (585140073).

1116009111 is a wasteful number, since it uses less digits than its factorization.

1116009111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17630.

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

The square root of 1116009111 is about 33406.7225420274. The cubic root of 1116009111 is about 1037.2638602461.

The spelling of 1116009111 in words is "one billion, one hundred sixteen million, nine thousand, one hundred eleven".