109781411 has 8 divisors (see below), whose sum is σ = 116859600. Its totient is φ = 102833280.

The previous prime is 109781389. The next prime is 109781423. The reversal of 109781411 is 114187901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109781411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109781491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30770 + ... + 34151.

It is an arithmetic number, because the mean of its divisors is an integer number (14607450).

Almost surely, 2^109781411 is an apocalyptic number.

109781411 is a deficient number, since it is larger than the sum of its proper divisors (7078189).

109781411 is an equidigital number, since it uses as much as digits as its factorization.

109781411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65029.

The product of its (nonzero) digits is 2016, while the sum is 32.

The square root of 109781411 is about 10477.6624778621. The cubic root of 109781411 is about 478.8243959492.

The spelling of 109781411 in words is "one hundred nine million, seven hundred eighty-one thousand, four hundred eleven".