111406783 has 2 divisors, whose sum is σ = 111406784. Its totient is φ = 111406782.

The previous prime is 111406753. The next prime is 111406787. The reversal of 111406783 is 387604111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111406783 - 2²¹ = 109309631 is a prime.

It is a super-2 number, since 2×111406783² = 24822942596818178, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111406787) 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, 55703391 + 55703392.

It is an arithmetic number, because the mean of its divisors is an integer number (55703392).

Almost surely, 2^111406783 is an apocalyptic number.

111406783 is a deficient number, since it is larger than the sum of its proper divisors (1).

111406783 is an equidigital number, since it uses as much as digits as its factorization.

111406783 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 111406783 is about 10554.9411651605. The cubic root of 111406783 is about 481.1759117296.

The spelling of 111406783 in words is "one hundred eleven million, four hundred six thousand, seven hundred eighty-three".