111563393 has 2 divisors, whose sum is σ = 111563394. Its totient is φ = 111563392.

The previous prime is 111563381. The next prime is 111563437. The reversal of 111563393 is 393365111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108847489 + 2715904 = 10433^2 + 1648^2 .

It is a cyclic number.

It is not a de Polignac number, because 111563393 - 2⁶ = 111563329 is a prime.

It is not a weakly prime, because it can be changed into another prime (111563323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55781696 + 55781697.

It is an arithmetic number, because the mean of its divisors is an integer number (55781697).

Almost surely, 2^111563393 is an apocalyptic number.

It is an amenable number.

111563393 is a deficient number, since it is larger than the sum of its proper divisors (1).

111563393 is an equidigital number, since it uses as much as digits as its factorization.

111563393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7290, while the sum is 32.

The square root of 111563393 is about 10562.3573599836. The cubic root of 111563393 is about 481.4012770502.

The spelling of 111563393 in words is "one hundred eleven million, five hundred sixty-three thousand, three hundred ninety-three".