21214036536003 has 32 divisors (see below), whose sum is σ = 33409865971200. Its totient is φ = 13265682012000.

The previous prime is 21214036535959. The next prime is 21214036536061. The reversal of 21214036536003 is 30063563041212.

21214036536003 is a `hidden beast` number, since 2 + 1 + 2 + 1 + 40 + 3 + 6 + 5 + 3 + 600 + 3 = 666.

It is not a de Polignac number, because 21214036536003 - 2²⁶ = 21213969427139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21214036536403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 204665503 + ... + 204769128.

It is an arithmetic number, because the mean of its divisors is an integer number (1044058311600).

Almost surely, 2^{21214036536003} is an apocalyptic number.

21214036536003 is a deficient number, since it is larger than the sum of its proper divisors (12195829435197).

21214036536003 is a wasteful number, since it uses less digits than its factorization.

21214036536003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409434760 (or 409434754 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

Adding to 21214036536003 its reverse (30063563041212), we get a palindrome (51277599577215).

The spelling of 21214036536003 in words is "twenty-one trillion, two hundred fourteen billion, thirty-six million, five hundred thirty-six thousand, three".