111512360113 has 72 divisors (see below), whose sum is σ = 146901585600. Its totient is φ = 82759871040.

The previous prime is 111512360111. The next prime is 111512360137. The reversal of 111512360113 is 311063215111.

It is not a de Polignac number, because 111512360113 - 2¹ = 111512360111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111512360111) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 169214178 + ... + 169214836.

It is an arithmetic number, because the mean of its divisors is an integer number (2040299800).

Almost surely, 2^111512360113 is an apocalyptic number.

It is an amenable number.

111512360113 is a deficient number, since it is larger than the sum of its proper divisors (35389225487).

111512360113 is an equidigital number, since it uses as much as digits as its factorization.

111512360113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883 (or 789 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 25.

Adding to 111512360113 its reverse (311063215111), we get a palindrome (422575575224).

The spelling of 111512360113 in words is "one hundred eleven billion, five hundred twelve million, three hundred sixty thousand, one hundred thirteen".