1129163868000 has 1536 divisors, whose sum is σ = 5027809812480. Its totient is φ = 240272179200.

The previous prime is 1129163867971. The next prime is 1129163868071. The reversal of 1129163868000 is 8683619211.

1129163868000 is a `hidden beast` number, since 1 + 1 + 2 + 9 + 1 + 638 + 6 + 8 + 0 + 0 + 0 = 666.

It is a super-2 number, since 2×1129163868000² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (45) 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 (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 1323755574 + ... + 1323756426.

It is an arithmetic number, because the mean of its divisors is an integer number (3273313680).

Almost surely, 2^{1129163868000} is an apocalyptic number.

1129163868000 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 1129163868000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2513904906240).

1129163868000 is an abundant number, since it is smaller than the sum of its proper divisors (3898645944480).

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

1129163868000 is a wasteful number, since it uses less digits than its factorization.

1129163868000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1014 (or 990 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The spelling of 1129163868000 in words is "one trillion, one hundred twenty-nine billion, one hundred sixty-three million, eight hundred sixty-eight thousand".