113805111 has 8 divisors (see below), whose sum is σ = 173417344. Its totient is φ = 65031480.

The previous prime is 113805091. The next prime is 113805113. The reversal of 113805111 is 111508311.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 113805111 - 2⁹ = 113804599 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 5419291 = 113805111 / (1 + 1 + 3 + 8 + 0 + 5 + 1 + 1 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113805113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2709625 + ... + 2709666.

It is an arithmetic number, because the mean of its divisors is an integer number (21677168).

Almost surely, 2^113805111 is an apocalyptic number.

113805111 is a deficient number, since it is larger than the sum of its proper divisors (59612233).

113805111 is an equidigital number, since it uses as much as digits as its factorization.

113805111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5419301.

The product of its (nonzero) digits is 120, while the sum is 21.

The square root of 113805111 is about 10667.9478345181. The cubic root of 113805111 is about 484.6042912533.

The spelling of 113805111 in words is "one hundred thirteen million, eight hundred five thousand, one hundred eleven".