109980000509 has 2 divisors, whose sum is σ = 109980000510. Its totient is φ = 109980000508.

The previous prime is 109980000503. The next prime is 109980000523. The reversal of 109980000509 is 905000089901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104751264409 + 5228736100 = 323653^2 + 72310^2 .

It is a cyclic number.

It is not a de Polignac number, because 109980000509 - 2⁸ = 109980000253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109980000503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54990000254 + 54990000255.

It is an arithmetic number, because the mean of its divisors is an integer number (54990000255).

Almost surely, 2^109980000509 is an apocalyptic number.

It is an amenable number.

109980000509 is a deficient number, since it is larger than the sum of its proper divisors (1).

109980000509 is an equidigital number, since it uses as much as digits as its factorization.

109980000509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 41.

The spelling of 109980000509 in words is "one hundred nine billion, nine hundred eighty million, five hundred nine", and thus it is an aban number.