1163031104000 has 80 divisors (see below), whose sum is σ = 2900090906856. Its totient is φ = 465212416000.

The previous prime is 1163031103999. The next prime is 1163031104021. The reversal of 1163031104000 is 4011303611.

It can be written as a sum of positive squares in 4 ways, for example, as 534676838656 + 628354265344 = 731216^2 + 792688^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9022181 + ... + 9150180.

Almost surely, 2^{1163031104000} is an apocalyptic number.

1163031104000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1163031104000 is an abundant number, since it is smaller than the sum of its proper divisors (1737059802856).

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

1163031104000 is an frugal number, since it uses more digits than its factorization.

1163031104000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18172394 (or 18172368 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1163031104000 its reverse (4011303611), we get a palindrome (1167042407611).

The spelling of 1163031104000 in words is "one trillion, one hundred sixty-three billion, thirty-one million, one hundred four thousand".