1101814409 has 4 divisors (see below), whose sum is σ = 1101883140. Its totient is φ = 1101745680.

The previous prime is 1101814339. The next prime is 1101814451. The reversal of 1101814409 is 9044181011.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 740928400 + 360886009 = 27220^2 + 18997^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1101814409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101814309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3839 + ... + 47099.

It is an arithmetic number, because the mean of its divisors is an integer number (275470785).

Almost surely, 2^1101814409 is an apocalyptic number.

It is an amenable number.

1101814409 is a deficient number, since it is larger than the sum of its proper divisors (68731).

1101814409 is an equidigital number, since it uses as much as digits as its factorization.

1101814409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68730.

The product of its (nonzero) digits is 1152, while the sum is 29.

The square root of 1101814409 is about 33193.5898781677. The cubic root of 1101814409 is about 1032.8473728721.

The spelling of 1101814409 in words is "one billion, one hundred one million, eight hundred fourteen thousand, four hundred nine".