1813448611099 has 8 divisors (see below), whose sum is σ = 1833859062000. Its totient is φ = 1793038929792.

The previous prime is 1813448611097. The next prime is 1813448611123. The reversal of 1813448611099 is 9901168443181.

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

It is a cyclic number.

It is not a de Polignac number, because 1813448611099 - 2¹ = 1813448611097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1813448611097) 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, 5483647 + ... + 5804935.

It is an arithmetic number, because the mean of its divisors is an integer number (229232382750).

Almost surely, 2^{1813448611099} is an apocalyptic number.

1813448611099 is a deficient number, since it is larger than the sum of its proper divisors (20410450901).

1813448611099 is an equidigital number, since it uses as much as digits as its factorization.

1813448611099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384797.

The product of its (nonzero) digits is 1492992, while the sum is 55.

The spelling of 1813448611099 in words is "one trillion, eight hundred thirteen billion, four hundred forty-eight million, six hundred eleven thousand, ninety-nine".