13215044502 has 48 divisors (see below), whose sum is σ = 32879545920. Its totient is φ = 3793791600.

The previous prime is 13215044497. The next prime is 13215044527. The reversal of 13215044502 is 20544051231.

13215044502 is a `hidden beast` number, since 1 + 3 + 2 + 150 + 4 + 4 + 502 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1752624 + ... + 1760147.

It is an arithmetic number, because the mean of its divisors is an integer number (684990540).

Almost surely, 2^13215044502 is an apocalyptic number.

13215044502 is an abundant number, since it is smaller than the sum of its proper divisors (19664501418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13215044502 is a wasteful number, since it uses less digits than its factorization.

13215044502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3512809 (or 3512806 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 13215044502 its reverse (20544051231), we get a palindrome (33759095733).

It can be divided in two parts, 1321504 and 4502, that added together give a triangular number (1326006 = T₁₆₂₈).

The spelling of 13215044502 in words is "thirteen billion, two hundred fifteen million, forty-four thousand, five hundred two".