19091820001011 has 16 divisors (see below), whose sum is σ = 26539221494016. Its totient is φ = 12197318960736.

The previous prime is 19091820000983. The next prime is 19091820001021. The reversal of 19091820001011 is 11010002819091.

It is not a de Polignac number, because 19091820001011 - 2²³ = 19091811612403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19091820001021) 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 15 ways as a sum of consecutive naturals, for example, 1396206415 + ... + 1396220088.

It is an arithmetic number, because the mean of its divisors is an integer number (1658701343376).

Almost surely, 2^{19091820001011} is an apocalyptic number.

19091820001011 is a deficient number, since it is larger than the sum of its proper divisors (7447401493005).

19091820001011 is a wasteful number, since it uses less digits than its factorization.

19091820001011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2792426602.

The product of its (nonzero) digits is 1296, while the sum is 33.

The spelling of 19091820001011 in words is "nineteen trillion, ninety-one billion, eight hundred twenty million, one thousand, eleven".