1100111099959 has 2 divisors, whose sum is σ = 1100111099960. Its totient is φ = 1100111099958.

The previous prime is 1100111099951. The next prime is 1100111099987. The reversal of 1100111099959 is 9599901110011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1100111099959 - 2³ = 1100111099951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1100111099951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550055549979 + 550055549980.

It is an arithmetic number, because the mean of its divisors is an integer number (550055549980).

Almost surely, 2^{1100111099959} is an apocalyptic number.

1100111099959 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100111099959 is an equidigital number, since it uses as much as digits as its factorization.

1100111099959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32805, while the sum is 46.

The spelling of 1100111099959 in words is "one trillion, one hundred billion, one hundred eleven million, ninety-nine thousand, nine hundred fifty-nine".