111042333497 has 2 divisors, whose sum is σ = 111042333498. Its totient is φ = 111042333496.

The previous prime is 111042333383. The next prime is 111042333499. The reversal of 111042333497 is 794333240111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87098175376 + 23944158121 = 295124^2 + 154739^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111042333497 is a prime.

Together with 111042333499, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111042333497.

It is not a weakly prime, because it can be changed into another prime (111042333499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55521166748 + 55521166749.

It is an arithmetic number, because the mean of its divisors is an integer number (55521166749).

Almost surely, 2^111042333497 is an apocalyptic number.

It is an amenable number.

111042333497 is a deficient number, since it is larger than the sum of its proper divisors (1).

111042333497 is an equidigital number, since it uses as much as digits as its factorization.

111042333497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 38.

The spelling of 111042333497 in words is "one hundred eleven billion, forty-two million, three hundred thirty-three thousand, four hundred ninety-seven".