1819091120202 has 24 divisors (see below), whose sum is σ = 3941815856160. Its totient is φ = 606294204840.

The previous prime is 1819091120177. The next prime is 1819091120239. The reversal of 1819091120202 is 2020211909181.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 5630302 + ... + 5944617.

It is an arithmetic number, because the mean of its divisors is an integer number (164242327340).

Almost surely, 2^{1819091120202} is an apocalyptic number.

1819091120202 is an abundant number, since it is smaller than the sum of its proper divisors (2122724735958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1819091120202 is a wasteful number, since it uses less digits than its factorization.

1819091120202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11583658 (or 11583655 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 36.

The spelling of 1819091120202 in words is "one trillion, eight hundred nineteen billion, ninety-one million, one hundred twenty thousand, two hundred two".