111979363 has 2 divisors, whose sum is σ = 111979364. Its totient is φ = 111979362.

The previous prime is 111979337. The next prime is 111979393. The reversal of 111979363 is 363979111.

It is a weak prime.

It is an emirp because it is prime and its reverse (363979111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111979363 - 2¹⁷ = 111848291 is a prime.

It is not a weakly prime, because it can be changed into another prime (111979303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55989681 + 55989682.

It is an arithmetic number, because the mean of its divisors is an integer number (55989682).

Almost surely, 2^111979363 is an apocalyptic number.

111979363 is a deficient number, since it is larger than the sum of its proper divisors (1).

111979363 is an equidigital number, since it uses as much as digits as its factorization.

111979363 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30618, while the sum is 40.

The square root of 111979363 is about 10582.0301927371. The cubic root of 111979363 is about 481.9988450010.

The spelling of 111979363 in words is "one hundred eleven million, nine hundred seventy-nine thousand, three hundred sixty-three".