113137111 has 4 divisors (see below), whose sum is σ = 113622912. Its totient is φ = 112651312.

The previous prime is 113137099. The next prime is 113137117. The reversal of 113137111 is 111731311.

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 113137111 - 2²¹ = 111039959 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 (113137117) 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, 242551 + ... + 243016.

It is an arithmetic number, because the mean of its divisors is an integer number (28405728).

Almost surely, 2^113137111 is an apocalyptic number.

113137111 is a deficient number, since it is larger than the sum of its proper divisors (485801).

113137111 is an equidigital number, since it uses as much as digits as its factorization.

113137111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485800.

The product of its digits is 63, while the sum is 19.

The square root of 113137111 is about 10636.5930165632. The cubic root of 113137111 is about 483.6542720883.

Adding to 113137111 its reverse (111731311), we get a palindrome (224868422).

The spelling of 113137111 in words is "one hundred thirteen million, one hundred thirty-seven thousand, one hundred eleven".