1000111939992 has 192 divisors, whose sum is σ = 2989205856000. Its totient is φ = 299562451200.

The previous prime is 1000111939963. The next prime is 1000111939993. The reversal of 1000111939992 is 2999391110001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000111939993) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25190317 + ... + 25229987.

It is an arithmetic number, because the mean of its divisors is an integer number (15568780500).

Almost surely, 2^{1000111939992} is an apocalyptic number.

1000111939992 is a gapful number since it is divisible by the number (12) 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 1000111939992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1494602928000).

1000111939992 is an abundant number, since it is smaller than the sum of its proper divisors (1989093916008).

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

1000111939992 is a wasteful number, since it uses less digits than its factorization.

1000111939992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40062 (or 40055 counting only the distinct ones).

The product of its (nonzero) digits is 39366, while the sum is 45.

The spelling of 1000111939992 in words is "one trillion, one hundred eleven million, nine hundred thirty-nine thousand, nine hundred ninety-two".