111418873 has 2 divisors, whose sum is σ = 111418874. Its totient is φ = 111418872.

The previous prime is 111418861. The next prime is 111418883. The reversal of 111418873 is 378814111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72131049 + 39287824 = 8493^2 + 6268^2 .

It is a cyclic number.

It is not a de Polignac number, because 111418873 - 2²¹ = 109321721 is a prime.

It is not a weakly prime, because it can be changed into another prime (111418883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55709436 + 55709437.

It is an arithmetic number, because the mean of its divisors is an integer number (55709437).

Almost surely, 2^111418873 is an apocalyptic number.

It is an amenable number.

111418873 is a deficient number, since it is larger than the sum of its proper divisors (1).

111418873 is an equidigital number, since it uses as much as digits as its factorization.

111418873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5376, while the sum is 34.

The square root of 111418873 is about 10555.5138671691. The cubic root of 111418873 is about 481.1933170323.

The spelling of 111418873 in words is "one hundred eleven million, four hundred eighteen thousand, eight hundred seventy-three".