18532371303 has 6 divisors (see below), whose sum is σ = 26768980784. Its totient is φ = 12354914196.

The previous prime is 18532371301. The next prime is 18532371317. The reversal of 18532371303 is 30317323581.

It is not a de Polignac number, because 18532371303 - 2¹ = 18532371301 is a prime.

It is a super-2 number, since 2×18532371303² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18532371301) 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 5 ways as a sum of consecutive naturals, for example, 1029576175 + ... + 1029576192.

Almost surely, 2^18532371303 is an apocalyptic number.

18532371303 is a deficient number, since it is larger than the sum of its proper divisors (8236609481).

18532371303 is a wasteful number, since it uses less digits than its factorization.

18532371303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2059152373 (or 2059152370 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

Adding to 18532371303 its reverse (30317323581), we get a palindrome (48849694884).

The spelling of 18532371303 in words is "eighteen billion, five hundred thirty-two million, three hundred seventy-one thousand, three hundred three".