111513042345 has 8 divisors (see below), whose sum is σ = 178420867776. Its totient is φ = 59473622576.

The previous prime is 111513042337. The next prime is 111513042349. The reversal of 111513042345 is 543240315111.

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 111513042345 - 2³ = 111513042337 is a prime.

It is a super-2 number, since 2×111513042345² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (111513042349) 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, 3717101397 + ... + 3717101426.

It is an arithmetic number, because the mean of its divisors is an integer number (22302608472).

Almost surely, 2^111513042345 is an apocalyptic number.

111513042345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

111513042345 is a deficient number, since it is larger than the sum of its proper divisors (66907825431).

111513042345 is an equidigital number, since it uses as much as digits as its factorization.

111513042345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7434202831.

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 111513042345 its reverse (543240315111), we get a palindrome (654753357456).

The spelling of 111513042345 in words is "one hundred eleven billion, five hundred thirteen million, forty-two thousand, three hundred forty-five".