111513241 has 8 divisors (see below), whose sum is σ = 128157120. Its totient is φ = 95047728.

The previous prime is 111513211. The next prime is 111513253. The reversal of 111513241 is 142315111.

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 111513241 - 2⁵ = 111513209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111513211) 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, 43246 + ... + 45751.

It is an arithmetic number, because the mean of its divisors is an integer number (16019640).

Almost surely, 2^111513241 is an apocalyptic number.

It is an amenable number.

111513241 is a deficient number, since it is larger than the sum of its proper divisors (16643879).

111513241 is an equidigital number, since it uses as much as digits as its factorization.

111513241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89183.

The product of its digits is 120, while the sum is 19.

The square root of 111513241 is about 10559.9830018803. The cubic root of 111513241 is about 481.3291301602.

Adding to 111513241 its reverse (142315111), we get a palindrome (253828352).

The spelling of 111513241 in words is "one hundred eleven million, five hundred thirteen thousand, two hundred forty-one".