111946447 has 2 divisors, whose sum is σ = 111946448. Its totient is φ = 111946446.

The previous prime is 111946427. The next prime is 111946453. The reversal of 111946447 is 744649111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111946447 - 2⁷ = 111946319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111946427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55973223 + 55973224.

It is an arithmetic number, because the mean of its divisors is an integer number (55973224).

Almost surely, 2^111946447 is an apocalyptic number.

111946447 is a deficient number, since it is larger than the sum of its proper divisors (1).

111946447 is an equidigital number, since it uses as much as digits as its factorization.

111946447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 37.

The square root of 111946447 is about 10580.4748003102. The cubic root of 111946447 is about 481.9516129982.

The spelling of 111946447 in words is "one hundred eleven million, nine hundred forty-six thousand, four hundred forty-seven".