5318516321003 has 4 divisors (see below), whose sum is σ = 5490081363648. Its totient is φ = 5146951278360.

The previous prime is 5318516320973. The next prime is 5318516321033. The reversal of 5318516321003 is 3001236158135.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (5318516320973) and next prime (5318516321033).

It is a cyclic number.

It is not a de Polignac number, because 5318516321003 - 2⁶ = 5318516320939 is a prime.

It is a super-2 number, since 2×5318516321003² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5318516321033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85782521276 + ... + 85782521337.

It is an arithmetic number, because the mean of its divisors is an integer number (1372520340912).

Almost surely, 2^{5318516321003} is an apocalyptic number.

5318516321003 is a deficient number, since it is larger than the sum of its proper divisors (171565042645).

5318516321003 is a wasteful number, since it uses less digits than its factorization.

5318516321003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171565042644.

The product of its (nonzero) digits is 64800, while the sum is 38.

The spelling of 5318516321003 in words is "five trillion, three hundred eighteen billion, five hundred sixteen million, three hundred twenty-one thousand, three".