111215136341 has 16 divisors (see below), whose sum is σ = 115713940608. Its totient is φ = 106806201600.

The previous prime is 111215136289. The next prime is 111215136343. The reversal of 111215136341 is 143631512111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111215136341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111215136343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1842065 + ... + 1901481.

It is an arithmetic number, because the mean of its divisors is an integer number (7232121288).

Almost surely, 2^111215136341 is an apocalyptic number.

It is an amenable number.

111215136341 is a deficient number, since it is larger than the sum of its proper divisors (4498804267).

111215136341 is an equidigital number, since it uses as much as digits as its factorization.

111215136341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60172.

The product of its digits is 2160, while the sum is 29.

Adding to 111215136341 its reverse (143631512111), we get a palindrome (254846648452).

The spelling of 111215136341 in words is "one hundred eleven billion, two hundred fifteen million, one hundred thirty-six thousand, three hundred forty-one".