111374537293 has 2 divisors, whose sum is σ = 111374537294. Its totient is φ = 111374537292.

The previous prime is 111374537243. The next prime is 111374537303. The reversal of 111374537293 is 392735473111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103795441929 + 7579095364 = 322173^2 + 87058^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111374537293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111374537203) 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 as a sum of consecutive naturals, namely, 55687268646 + 55687268647.

It is an arithmetic number, because the mean of its divisors is an integer number (55687268647).

Almost surely, 2^111374537293 is an apocalyptic number.

It is an amenable number.

111374537293 is a deficient number, since it is larger than the sum of its proper divisors (1).

111374537293 is an equidigital number, since it uses as much as digits as its factorization.

111374537293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 476280, while the sum is 46.

The spelling of 111374537293 in words is "one hundred eleven billion, three hundred seventy-four million, five hundred thirty-seven thousand, two hundred ninety-three".