110993812409 has 2 divisors, whose sum is σ = 110993812410. Its totient is φ = 110993812408.

The previous prime is 110993812357. The next prime is 110993812417. The reversal of 110993812409 is 904218399011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61266150400 + 49727662009 = 247520^2 + 222997^2 .

It is a cyclic number.

It is not a de Polignac number, because 110993812409 - 2²⁸ = 110725376953 is a prime.

It is not a weakly prime, because it can be changed into another prime (110993812439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55496906204 + 55496906205.

It is an arithmetic number, because the mean of its divisors is an integer number (55496906205).

Almost surely, 2^110993812409 is an apocalyptic number.

It is an amenable number.

110993812409 is a deficient number, since it is larger than the sum of its proper divisors (1).

110993812409 is an equidigital number, since it uses as much as digits as its factorization.

110993812409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 47.

The spelling of 110993812409 in words is "one hundred ten billion, nine hundred ninety-three million, eight hundred twelve thousand, four hundred nine".