109445578841 has 2 divisors, whose sum is σ = 109445578842. Its totient is φ = 109445578840.

The previous prime is 109445578819. The next prime is 109445578871. The reversal of 109445578841 is 148875544901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98166289225 + 11279289616 = 313315^2 + 106204^2 .

It is a cyclic number.

It is not a de Polignac number, because 109445578841 - 2²² = 109441384537 is a prime.

It is a super-3 number, since 3×109445578841³ (a number of 34 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (109445578871) 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, 54722789420 + 54722789421.

It is an arithmetic number, because the mean of its divisors is an integer number (54722789421).

Almost surely, 2^109445578841 is an apocalyptic number.

It is an amenable number.

109445578841 is a deficient number, since it is larger than the sum of its proper divisors (1).

109445578841 is an equidigital number, since it uses as much as digits as its factorization.

109445578841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6451200, while the sum is 56.

The spelling of 109445578841 in words is "one hundred nine billion, four hundred forty-five million, five hundred seventy-eight thousand, eight hundred forty-one".