12636010503 has 16 divisors (see below), whose sum is σ = 19533930240. Its totient is φ = 8057745432.

The previous prime is 12636010481. The next prime is 12636010507. The reversal of 12636010503 is 30501063621.

12636010503 is a `hidden beast` number, since 1 + 2 + 6 + 3 + 601 + 0 + 50 + 3 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-12636010503 is a prime.

It is a super-2 number, since 2×12636010503² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12636010507) 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, 10173301 + ... + 10174542.

It is an arithmetic number, because the mean of its divisors is an integer number (1220870640).

Almost surely, 2^12636010503 is an apocalyptic number.

12636010503 is a deficient number, since it is larger than the sum of its proper divisors (6897919737).

12636010503 is a wasteful number, since it uses less digits than its factorization.

12636010503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20347875 (or 20347869 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The spelling of 12636010503 in words is "twelve billion, six hundred thirty-six million, ten thousand, five hundred three".