36318357503 has 4 divisors (see below), whose sum is σ = 36362274120. Its totient is φ = 36274440888.

The previous prime is 36318357497. The next prime is 36318357511. The reversal of 36318357503 is 30575381363.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30575381363 = 47 ⋅650540029.

It is a cyclic number.

It is not a de Polignac number, because 36318357503 - 2¹⁶ = 36318291967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36318357533) 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, 21957068 + ... + 21958721.

It is an arithmetic number, because the mean of its divisors is an integer number (9090568530).

Almost surely, 2^36318357503 is an apocalyptic number.

36318357503 is a deficient number, since it is larger than the sum of its proper divisors (43916617).

36318357503 is an equidigital number, since it uses as much as digits as its factorization.

36318357503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43916616.

The product of its (nonzero) digits is 680400, while the sum is 44.

The spelling of 36318357503 in words is "thirty-six billion, three hundred eighteen million, three hundred fifty-seven thousand, five hundred three".