1113149111 has 4 divisors (see below), whose sum is σ = 1116339000. Its totient is φ = 1109959224.

The previous prime is 1113149099. The next prime is 1113149117. The reversal of 1113149111 is 1119413111.

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 1113149111 - 2¹⁰ = 1113148087 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 (1113149117) 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, 1594421 + ... + 1595118.

It is an arithmetic number, because the mean of its divisors is an integer number (279084750).

Almost surely, 2^1113149111 is an apocalyptic number.

1113149111 is a deficient number, since it is larger than the sum of its proper divisors (3189889).

1113149111 is an equidigital number, since it uses as much as digits as its factorization.

1113149111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3189888.

The product of its digits is 108, while the sum is 23.

The square root of 1113149111 is about 33363.8893266358. The cubic root of 1113149111 is about 1036.3770358241.

The spelling of 1113149111 in words is "one billion, one hundred thirteen million, one hundred forty-nine thousand, one hundred eleven".