1150321864573 has 4 divisors (see below), whose sum is σ = 1314653559520. Its totient is φ = 985990169628.

The previous prime is 1150321864537. The next prime is 1150321864631. The reversal of 1150321864573 is 3754681230511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1150321864573 - 2¹⁷ = 1150321733501 is a prime.

It is a super-2 number, since 2×1150321864573² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1150321864673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82165847463 + ... + 82165847476.

It is an arithmetic number, because the mean of its divisors is an integer number (328663389880).

Almost surely, 2^{1150321864573} is an apocalyptic number.

It is an amenable number.

1150321864573 is a deficient number, since it is larger than the sum of its proper divisors (164331694947).

1150321864573 is an equidigital number, since it uses as much as digits as its factorization.

1150321864573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164331694946.

The product of its (nonzero) digits is 604800, while the sum is 46.

The spelling of 1150321864573 in words is "one trillion, one hundred fifty billion, three hundred twenty-one million, eight hundred sixty-four thousand, five hundred seventy-three".