111073993 has 2 divisors, whose sum is σ = 111073994. Its totient is φ = 111073992.

The previous prime is 111073951. The next prime is 111073999. The reversal of 111073993 is 399370111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72795024 + 38278969 = 8532^2 + 6187^2 .

It is a cyclic number.

It is not a de Polignac number, because 111073993 - 2¹⁷ = 110942921 is a prime.

It is not a weakly prime, because it can be changed into another prime (111073999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55536996 + 55536997.

It is an arithmetic number, because the mean of its divisors is an integer number (55536997).

Almost surely, 2^111073993 is an apocalyptic number.

It is an amenable number.

111073993 is a deficient number, since it is larger than the sum of its proper divisors (1).

111073993 is an equidigital number, since it uses as much as digits as its factorization.

111073993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5103, while the sum is 34.

The square root of 111073993 is about 10539.1647202233. The cubic root of 111073993 is about 480.6963172270.

The spelling of 111073993 in words is "one hundred eleven million, seventy-three thousand, nine hundred ninety-three".