13255315506 has 24 divisors (see below), whose sum is σ = 28733852160. Its totient is φ = 4416284376.

The previous prime is 13255315499. The next prime is 13255315511. The reversal of 13255315506 is 60551355231.

13255315506 is a `hidden beast` number, since 132 + 5 + 5 + 3 + 15 + 506 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 141346 + ... + 215613.

It is an arithmetic number, because the mean of its divisors is an integer number (1197243840).

Almost surely, 2^13255315506 is an apocalyptic number.

13255315506 is an abundant number, since it is smaller than the sum of its proper divisors (15478536654).

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

13255315506 is a wasteful number, since it uses less digits than its factorization.

13255315506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359030 (or 359027 counting only the distinct ones).

The product of its (nonzero) digits is 67500, while the sum is 36.

The spelling of 13255315506 in words is "thirteen billion, two hundred fifty-five million, three hundred fifteen thousand, five hundred six".