111313512355313 has 4 divisors (see below), whose sum is σ = 111351156427380. Its totient is φ = 111275868283248.

The previous prime is 111313512355271. The next prime is 111313512355327. The reversal of 111313512355313 is 313553215313111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25588745995024 + 85724766360289 = 5058532^2 + 9258767^2 .

It is a cyclic number.

It is not a de Polignac number, because 111313512355313 - 2⁴⁴ = 93721326310897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111313512355363) 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, 18822031598 + ... + 18822037511.

It is an arithmetic number, because the mean of its divisors is an integer number (27837789106845).

Almost surely, 2^{111313512355313} is an apocalyptic number.

It is an amenable number.

111313512355313 is a deficient number, since it is larger than the sum of its proper divisors (37644072067).

111313512355313 is an equidigital number, since it uses as much as digits as its factorization.

111313512355313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37644072066.

The product of its digits is 60750, while the sum is 38.

Adding to 111313512355313 its reverse (313553215313111), we get a palindrome (424866727668424).

The spelling of 111313512355313 in words is "one hundred eleven trillion, three hundred thirteen billion, five hundred twelve million, three hundred fifty-five thousand, three hundred thirteen".