111342351133 has 16 divisors (see below), whose sum is σ = 121083980976. Its totient is φ = 101770583040.

The previous prime is 111342351103. The next prime is 111342351181. The reversal of 111342351133 is 331153243111.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 9573056964 + 101769294169 = 97842^2 + 319013^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111342351133 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 (111342351103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1522891 + ... + 1594327.

It is an arithmetic number, because the mean of its divisors is an integer number (7567748811).

Almost surely, 2^111342351133 is an apocalyptic number.

111342351133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

111342351133 is a deficient number, since it is larger than the sum of its proper divisors (9741629843).

111342351133 is a wasteful number, since it uses less digits than its factorization.

111342351133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72624.

The product of its digits is 3240, while the sum is 28.

Adding to 111342351133 its reverse (331153243111), we get a palindrome (442495594244).

The spelling of 111342351133 in words is "one hundred eleven billion, three hundred forty-two million, three hundred fifty-one thousand, one hundred thirty-three".