1109901099019 has 2 divisors, whose sum is σ = 1109901099020. Its totient is φ = 1109901099018.

The previous prime is 1109901099011. The next prime is 1109901099071. The reversal of 1109901099019 is 9109901099011.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1109901099019 - 2³ = 1109901099011 is a prime.

It is a super-2 number, since 2×1109901099019² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1109901099011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 554950549509 + 554950549510.

It is an arithmetic number, because the mean of its divisors is an integer number (554950549510).

Almost surely, 2^{1109901099019} is an apocalyptic number.

1109901099019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1109901099019 is an equidigital number, since it uses as much as digits as its factorization.

1109901099019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 59049, while the sum is 49.

The spelling of 1109901099019 in words is "one trillion, one hundred nine billion, nine hundred one million, ninety-nine thousand, nineteen".