18109076113 has 2 divisors, whose sum is σ = 18109076114. Its totient is φ = 18109076112.

The previous prime is 18109076101. The next prime is 18109076231. The reversal of 18109076113 is 31167090181.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11250420624 + 6858655489 = 106068^2 + 82817^2 .

It is a cyclic number.

It is not a de Polignac number, because 18109076113 - 2⁵ = 18109076081 is a prime.

It is not a weakly prime, because it can be changed into another prime (18109026113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9054538056 + 9054538057.

It is an arithmetic number, because the mean of its divisors is an integer number (9054538057).

Almost surely, 2^18109076113 is an apocalyptic number.

It is an amenable number.

18109076113 is a deficient number, since it is larger than the sum of its proper divisors (1).

18109076113 is an equidigital number, since it uses as much as digits as its factorization.

18109076113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 37.

The spelling of 18109076113 in words is "eighteen billion, one hundred nine million, seventy-six thousand, one hundred thirteen".