111457319 has 2 divisors, whose sum is σ = 111457320. Its totient is φ = 111457318.

The previous prime is 111457261. The next prime is 111457327. The reversal of 111457319 is 913754111.

It is a strong prime.

It is an emirp because it is prime and its reverse (913754111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111457319 is a prime.

It is a super-2 number, since 2×111457319² = 24845467917335522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111457399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55728659 + 55728660.

It is an arithmetic number, because the mean of its divisors is an integer number (55728660).

Almost surely, 2^111457319 is an apocalyptic number.

111457319 is a deficient number, since it is larger than the sum of its proper divisors (1).

111457319 is an equidigital number, since it uses as much as digits as its factorization.

111457319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3780, while the sum is 32.

The square root of 111457319 is about 10557.3348436052. The cubic root of 111457319 is about 481.2486572403.

The spelling of 111457319 in words is "one hundred eleven million, four hundred fifty-seven thousand, three hundred nineteen".