111160691 has 4 divisors (see below), whose sum is σ = 114165072. Its totient is φ = 108156312.

The previous prime is 111160681. The next prime is 111160729. The reversal of 111160691 is 196061111.

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 111160691 - 2¹⁴ = 111144307 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111160691.

It is not an unprimeable number, because it can be changed into a prime (111160601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1502135 + ... + 1502208.

It is an arithmetic number, because the mean of its divisors is an integer number (28541268).

Almost surely, 2^111160691 is an apocalyptic number.

111160691 is a deficient number, since it is larger than the sum of its proper divisors (3004381).

111160691 is an equidigital number, since it uses as much as digits as its factorization.

111160691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3004380.

The product of its (nonzero) digits is 324, while the sum is 26.

The square root of 111160691 is about 10543.2770522262. The cubic root of 111160691 is about 480.8213527094.

The spelling of 111160691 in words is "one hundred eleven million, one hundred sixty thousand, six hundred ninety-one".