111140479 has 2 divisors, whose sum is σ = 111140480. Its totient is φ = 111140478.

The previous prime is 111140437. The next prime is 111140551. The reversal of 111140479 is 974041111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111140479 - 2¹¹ = 111138431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111140429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55570239 + 55570240.

It is an arithmetic number, because the mean of its divisors is an integer number (55570240).

Almost surely, 2^111140479 is an apocalyptic number.

111140479 is a deficient number, since it is larger than the sum of its proper divisors (1).

111140479 is an equidigital number, since it uses as much as digits as its factorization.

111140479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 111140479 is about 10542.3184831421. The cubic root of 111140479 is about 480.7922088631.

The spelling of 111140479 in words is "one hundred eleven million, one hundred forty thousand, four hundred seventy-nine".