109131808603 has 2 divisors, whose sum is σ = 109131808604. Its totient is φ = 109131808602.

The previous prime is 109131808549. The next prime is 109131808609. The reversal of 109131808603 is 306808131901.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109131808603 is a prime.

It is not a weakly prime, because it can be changed into another prime (109131808609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54565904301 + 54565904302.

It is an arithmetic number, because the mean of its divisors is an integer number (54565904302).

Almost surely, 2^109131808603 is an apocalyptic number.

109131808603 is a deficient number, since it is larger than the sum of its proper divisors (1).

109131808603 is an equidigital number, since it uses as much as digits as its factorization.

109131808603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 40.

The spelling of 109131808603 in words is "one hundred nine billion, one hundred thirty-one million, eight hundred eight thousand, six hundred three".