109845000791 has 2 divisors, whose sum is σ = 109845000792. Its totient is φ = 109845000790.

The previous prime is 109845000787. The next prime is 109845000803. The reversal of 109845000791 is 197000548901.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 109845000791 - 2² = 109845000787 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109845002791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54922500395 + 54922500396.

It is an arithmetic number, because the mean of its divisors is an integer number (54922500396).

Almost surely, 2^109845000791 is an apocalyptic number.

109845000791 is a deficient number, since it is larger than the sum of its proper divisors (1).

109845000791 is an equidigital number, since it uses as much as digits as its factorization.

109845000791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 44.

The spelling of 109845000791 in words is "one hundred nine billion, eight hundred forty-five million, seven hundred ninety-one", and thus it is an aban number.