111313261 has 8 divisors (see below), whose sum is σ = 116708544. Its totient is φ = 105964320.

The previous prime is 111313253. The next prime is 111313273. The reversal of 111313261 is 162313111.

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

It is a cyclic number.

It is not a de Polignac number, because 111313261 - 2³ = 111313253 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 (111313561) 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, 6616 + ... + 16321.

It is an arithmetic number, because the mean of its divisors is an integer number (14588568).

Almost surely, 2^111313261 is an apocalyptic number.

It is an amenable number.

111313261 is a deficient number, since it is larger than the sum of its proper divisors (5395283).

111313261 is a wasteful number, since it uses less digits than its factorization.

111313261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23171.

The product of its digits is 108, while the sum is 19.

The square root of 111313261 is about 10550.5099876736. The cubic root of 111313261 is about 481.0412307273.

Adding to 111313261 its reverse (162313111), we get a palindrome (273626372).

The spelling of 111313261 in words is "one hundred eleven million, three hundred thirteen thousand, two hundred sixty-one".