190000111111000 has 128 divisors (see below), whose sum is σ = 448983349738560. Its totient is φ = 75251520000000.

The previous prime is 190000111110937. The next prime is 190000111111003. The reversal of 190000111111000 is 111111000091.

It is a super-2 number, since 2×190000111111000² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190000111111003) 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 31 ways as a sum of consecutive naturals, for example, 210661000 + ... + 211561000.

Almost surely, 2^{190000111111000} is an apocalyptic number.

190000111111000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190000111111000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224491674869280).

190000111111000 is an abundant number, since it is smaller than the sum of its proper divisors (258983238627560).

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

190000111111000 is a wasteful number, since it uses less digits than its factorization.

190000111111000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902102 (or 902088 counting only the distinct ones).

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

Adding to 190000111111000 its reverse (111111000091), we get a palindrome (190111222111091).

The spelling of 190000111111000 in words is "one hundred ninety trillion, one hundred eleven million, one hundred eleven thousand".