111011342137 has 2 divisors, whose sum is σ = 111011342138. Its totient is φ = 111011342136.

The previous prime is 111011342081. The next prime is 111011342171. The reversal of 111011342137 is 731243110111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90660607801 + 20350734336 = 301099^2 + 142656^2 .

It is a cyclic number.

It is not a de Polignac number, because 111011342137 - 2²⁷ = 110877124409 is a prime.

It is not a weakly prime, because it can be changed into another prime (111011342437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55505671068 + 55505671069.

It is an arithmetic number, because the mean of its divisors is an integer number (55505671069).

Almost surely, 2^111011342137 is an apocalyptic number.

It is an amenable number.

111011342137 is a deficient number, since it is larger than the sum of its proper divisors (1).

111011342137 is an equidigital number, since it uses as much as digits as its factorization.

111011342137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 25.

Adding to 111011342137 its reverse (731243110111), we get a palindrome (842254452248).

The spelling of 111011342137 in words is "one hundred eleven billion, eleven million, three hundred forty-two thousand, one hundred thirty-seven".