190001111011 has 4 divisors (see below), whose sum is σ = 190005048792. Its totient is φ = 189997173232.

The previous prime is 190001111009. The next prime is 190001111029. The reversal of 190001111011 is 110111100091.

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 190001111011 - 2¹ = 190001111009 is a prime.

It is a super-2 number, since 2×190001111011² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (190001111071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1895605 + ... + 1993318.

It is an arithmetic number, because the mean of its divisors is an integer number (47501262198).

Almost surely, 2^190001111011 is an apocalyptic number.

190001111011 is a deficient number, since it is larger than the sum of its proper divisors (3937781).

190001111011 is an equidigital number, since it uses as much as digits as its factorization.

190001111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3937780.

The product of its (nonzero) digits is 9, while the sum is 16.

The spelling of 190001111011 in words is "one hundred ninety billion, one million, one hundred eleven thousand, eleven".