1169897731200 has 3072 divisors, whose sum is σ = 5398368768000. Its totient is φ = 243656294400.

The previous prime is 1169897731199. The next prime is 1169897731201. The reversal of 1169897731200 is 21377989611.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1169897731199) and next prime (1169897731201).

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 (1169897731201) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 11358230349 + ... + 11358230451.

It is an arithmetic number, because the mean of its divisors is an integer number (1757281500).

Almost surely, 2^{1169897731200} is an apocalyptic number.

1169897731200 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 1169897731200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2699184384000).

1169897731200 is an abundant number, since it is smaller than the sum of its proper divisors (4228471036800).

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

1169897731200 is a wasteful number, since it uses less digits than its factorization.

1169897731200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 54.

The spelling of 1169897731200 in words is "one trillion, one hundred sixty-nine billion, eight hundred ninety-seven million, seven hundred thirty-one thousand, two hundred".