110099991721439 has 2 divisors, whose sum is σ = 110099991721440. Its totient is φ = 110099991721438.

The previous prime is 110099991721427. The next prime is 110099991721457. The reversal of 110099991721439 is 934127199990011.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110099991721439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110099991721339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55049995860719 + 55049995860720.

It is an arithmetic number, because the mean of its divisors is an integer number (55049995860720).

Almost surely, 2^{110099991721439} is an apocalyptic number.

110099991721439 is a deficient number, since it is larger than the sum of its proper divisors (1).

110099991721439 is an equidigital number, since it uses as much as digits as its factorization.

110099991721439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9920232, while the sum is 65.

The spelling of 110099991721439 in words is "one hundred ten trillion, ninety-nine billion, nine hundred ninety-one million, seven hundred twenty-one thousand, four hundred thirty-nine".