1114991872512 has 160 divisors (see below), whose sum is σ = 3395426107392. Its totient is φ = 318505857024.

The previous prime is 1114991872499. The next prime is 1114991872517. The reversal of 1114991872512 is 2152781994111.

It is a happy number.

It is a super-2 number, since 2×1114991872512² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1114991872517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94428913 + ... + 94440719.

Almost surely, 2^{1114991872512} is an apocalyptic number.

1114991872512 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 1114991872512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1697713053696).

1114991872512 is an abundant number, since it is smaller than the sum of its proper divisors (2280434234880).

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

1114991872512 is an equidigital number, since it uses as much as digits as its factorization.

1114991872512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20618 (or 20602 counting only the distinct ones).

The product of its digits is 362880, while the sum is 51.

The spelling of 1114991872512 in words is "one trillion, one hundred fourteen billion, nine hundred ninety-one million, eight hundred seventy-two thousand, five hundred twelve".