1161230503000 has 64 divisors (see below), whose sum is σ = 2718307519200. Its totient is φ = 464316451200.

The previous prime is 1161230502983. The next prime is 1161230503001. The reversal of 1161230503000 is 3050321611.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161230503001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2440642 + ... + 2877358.

Almost surely, 2^{1161230503000} is an apocalyptic number.

1161230503000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1161230503000 is an abundant number, since it is smaller than the sum of its proper divisors (1557077016200).

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

1161230503000 is a wasteful number, since it uses less digits than its factorization.

1161230503000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439397 (or 439383 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

Adding to 1161230503000 its reverse (3050321611), we get a palindrome (1164280824611).

The spelling of 1161230503000 in words is "one trillion, one hundred sixty-one billion, two hundred thirty million, five hundred three thousand".