113111151 has 4 divisors (see below), whose sum is σ = 150814872. Its totient is φ = 75407432.

The previous prime is 113111137. The next prime is 113111189. The reversal of 113111151 is 151111311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113111151 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113111151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113111191) 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, 18851856 + ... + 18851861.

It is an arithmetic number, because the mean of its divisors is an integer number (37703718).

Almost surely, 2^113111151 is an apocalyptic number.

113111151 is a deficient number, since it is larger than the sum of its proper divisors (37703721).

113111151 is an equidigital number, since it uses as much as digits as its factorization.

113111151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37703720.

The product of its digits is 15, while the sum is 15.

The square root of 113111151 is about 10635.3726309895. The cubic root of 113111151 is about 483.6172767846.

Adding to 113111151 its reverse (151111311), we get a palindrome (264222462).

The spelling of 113111151 in words is "one hundred thirteen million, one hundred eleven thousand, one hundred fifty-one".