1119869781120 has 256 divisors, whose sum is σ = 3967607260800. Its totient is φ = 298526404608.

The previous prime is 1119869781103. The next prime is 1119869781127. The reversal of 1119869781120 is 211879689111.

It is a Cunningham number, because it is equal to 1058239²-1.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (1119869781127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57135162 + ... + 57154758.

Almost surely, 2^{1119869781120} is an apocalyptic number.

1119869781120 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 1119869781120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1983803630400).

1119869781120 is an abundant number, since it is smaller than the sum of its proper divisors (2847737479680).

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

1119869781120 is a wasteful number, since it uses less digits than its factorization.

1119869781120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22932 (or 22914 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 54.

The spelling of 1119869781120 in words is "one trillion, one hundred nineteen billion, eight hundred sixty-nine million, seven hundred eighty-one thousand, one hundred twenty".