111374791 has 4 divisors (see below), whose sum is σ = 121499784. Its totient is φ = 101249800.

The previous prime is 111374743. The next prime is 111374801. The reversal of 111374791 is 197473111.

It is a happy number.

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 111374791 - 2⁷ = 111374663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111374741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5062480 + ... + 5062501.

It is an arithmetic number, because the mean of its divisors is an integer number (30374946).

Almost surely, 2^111374791 is an apocalyptic number.

111374791 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111374791 is a deficient number, since it is larger than the sum of its proper divisors (10124993).

111374791 is a wasteful number, since it uses less digits than its factorization.

111374791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10124992.

The product of its digits is 5292, while the sum is 34.

The square root of 111374791 is about 10553.4255576092. The cubic root of 111374791 is about 481.1298485453.

The spelling of 111374791 in words is "one hundred eleven million, three hundred seventy-four thousand, seven hundred ninety-one".