111313487 has 4 divisors (see below), whose sum is σ = 111350400. Its totient is φ = 111276576.

The previous prime is 111313429. The next prime is 111313493. The reversal of 111313487 is 784313111.

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 111313487 - 2¹⁰ = 111312463 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 (111313387) 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, 13487 + ... + 20112.

It is an arithmetic number, because the mean of its divisors is an integer number (27837600).

Almost surely, 2^111313487 is an apocalyptic number.

111313487 is a deficient number, since it is larger than the sum of its proper divisors (36913).

111313487 is an equidigital number, since it uses as much as digits as its factorization.

111313487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36912.

The product of its digits is 2016, while the sum is 29.

The square root of 111313487 is about 10550.5206980509. The cubic root of 111313487 is about 481.0415562807.

Adding to 111313487 its reverse (784313111), we get a palindrome (895626598).

The spelling of 111313487 in words is "one hundred eleven million, three hundred thirteen thousand, four hundred eighty-seven".