19182838201091 has 16 divisors (see below), whose sum is σ = 20373800388480. Its totient is φ = 17998833536640.

The previous prime is 19182838201031. The next prime is 19182838201097. The reversal of 19182838201091 is 19010283828191.

It is not a de Polignac number, because 19182838201091 - 2¹⁰ = 19182838200067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19182838201097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105623720 + ... + 105805178.

It is an arithmetic number, because the mean of its divisors is an integer number (1273362524280).

Almost surely, 2^{19182838201091} is an apocalyptic number.

19182838201091 is a deficient number, since it is larger than the sum of its proper divisors (1190962187389).

19182838201091 is a wasteful number, since it uses less digits than its factorization.

19182838201091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200594.

The product of its (nonzero) digits is 497664, while the sum is 53.

The spelling of 19182838201091 in words is "nineteen trillion, one hundred eighty-two billion, eight hundred thirty-eight million, two hundred one thousand, ninety-one".