1992199128911 has 4 divisors (see below), whose sum is σ = 1998563982672. Its totient is φ = 1985834275152.

The previous prime is 1992199128841. The next prime is 1992199128917. The reversal of 1992199128911 is 1198219912991.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1992199128911 - 2¹⁸ = 1992198866767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1992199128917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3182426411 + ... + 3182427036.

It is an arithmetic number, because the mean of its divisors is an integer number (499640995668).

Almost surely, 2^{1992199128911} is an apocalyptic number.

1992199128911 is a deficient number, since it is larger than the sum of its proper divisors (6364853761).

1992199128911 is an equidigital number, since it uses as much as digits as its factorization.

1992199128911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6364853760.

The product of its digits is 1889568, while the sum is 62.

The spelling of 1992199128911 in words is "one trillion, nine hundred ninety-two billion, one hundred ninety-nine million, one hundred twenty-eight thousand, nine hundred eleven".