1161103970304 has 416 divisors, whose sum is σ = 3576256128000. Its totient is φ = 371872235520.

The previous prime is 1161103970297. The next prime is 1161103970309. The reversal of 1161103970304 is 4030793011611.

1161103970304 is a `hidden beast` number, since 1 + 1 + 611 + 0 + 3 + 9 + 7 + 0 + 30 + 4 = 666.

It is a super-2 number, since 2×1161103970304² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1161103970309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 510823312 + ... + 510825584.

Almost surely, 2^{1161103970304} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1161103970304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1788128064000).

1161103970304 is an abundant number, since it is smaller than the sum of its proper divisors (2415152157696).

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

1161103970304 is a wasteful number, since it uses less digits than its factorization.

1161103970304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2486 (or 2458 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

Adding to 1161103970304 its reverse (4030793011611), we get a palindrome (5191896981915).

The spelling of 1161103970304 in words is "one trillion, one hundred sixty-one billion, one hundred three million, nine hundred seventy thousand, three hundred four".