111245013 has 24 divisors (see below), whose sum is σ = 179577216. Its totient is φ = 65774400.

The previous prime is 111244967. The next prime is 111245041. The reversal of 111245013 is 310542111.

It is not a de Polignac number, because 111245013 - 2⁹ = 111244501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111245083) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9645 + ... + 17762.

It is an arithmetic number, because the mean of its divisors is an integer number (7482384).

Almost surely, 2^111245013 is an apocalyptic number.

It is an amenable number.

111245013 is a deficient number, since it is larger than the sum of its proper divisors (68332203).

111245013 is a wasteful number, since it uses less digits than its factorization.

111245013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27465 (or 27462 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 111245013 is about 10547.2751457426. The cubic root of 111245013 is about 480.9428991854.

Adding to 111245013 its reverse (310542111), we get a palindrome (421787124).

The spelling of 111245013 in words is "one hundred eleven million, two hundred forty-five thousand, thirteen".