111131343255 has 64 divisors (see below), whose sum is σ = 184569643008. Its totient is φ = 57060769920.

The previous prime is 111131343187. The next prime is 111131343289. The reversal of 111131343255 is 552343131111.

It is not a de Polignac number, because 111131343255 - 2²¹ = 111129246103 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 45863974 + ... + 45866396.

It is an arithmetic number, because the mean of its divisors is an integer number (2883900672).

Almost surely, 2^111131343255 is an apocalyptic number.

111131343255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

111131343255 is a deficient number, since it is larger than the sum of its proper divisors (73438299753).

111131343255 is a wasteful number, since it uses less digits than its factorization.

111131343255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3516.

The product of its digits is 5400, while the sum is 30.

Adding to 111131343255 its reverse (552343131111), we get a palindrome (663474474366).

The spelling of 111131343255 in words is "one hundred eleven billion, one hundred thirty-one million, three hundred forty-three thousand, two hundred fifty-five".