111344320057 has 2 divisors, whose sum is σ = 111344320058. Its totient is φ = 111344320056.

The previous prime is 111344320051. The next prime is 111344320117. The reversal of 111344320057 is 750023443111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93755990416 + 17588329641 = 306196^2 + 132621^2 .

It is a cyclic number.

It is not a de Polignac number, because 111344320057 - 2⁷ = 111344319929 is a prime.

It is not a weakly prime, because it can be changed into another prime (111344320051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55672160028 + 55672160029.

It is an arithmetic number, because the mean of its divisors is an integer number (55672160029).

Almost surely, 2^111344320057 is an apocalyptic number.

It is an amenable number.

111344320057 is a deficient number, since it is larger than the sum of its proper divisors (1).

111344320057 is an equidigital number, since it uses as much as digits as its factorization.

111344320057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 31.

Adding to 111344320057 its reverse (750023443111), we get a palindrome (861367763168).

The spelling of 111344320057 in words is "one hundred eleven billion, three hundred forty-four million, three hundred twenty thousand, fifty-seven".