1155163096800 has 864 divisors, whose sum is σ = 4488651707904. Its totient is φ = 288893952000.

The previous prime is 1155163096781. The next prime is 1155163096807. The reversal of 1155163096800 is 86903615511.

1155163096800 is a `hidden beast` number, since 1 + 1 + 5 + 5 + 1 + 630 + 9 + 6 + 8 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (864).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155163096807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1424368395 + ... + 1424369205.

It is an arithmetic number, because the mean of its divisors is an integer number (5195198736).

Almost surely, 2^{1155163096800} is an apocalyptic number.

1155163096800 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 1155163096800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2244325853952).

1155163096800 is an abundant number, since it is smaller than the sum of its proper divisors (3333488611104).

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

1155163096800 is a wasteful number, since it uses less digits than its factorization.

1155163096800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1294 (or 1269 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 45.

The spelling of 1155163096800 in words is "one trillion, one hundred fifty-five billion, one hundred sixty-three million, ninety-six thousand, eight hundred".