13215423504255 has 48 divisors (see below), whose sum is σ = 25000097328864. Its totient is φ = 5942298136320.

The previous prime is 13215423504197. The next prime is 13215423504259. The reversal of 13215423504255 is 55240532451231.

It is not a de Polignac number, because 13215423504255 - 2¹⁵ = 13215423471487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13215423504259) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 147333592 + ... + 147423261.

It is an arithmetic number, because the mean of its divisors is an integer number (520835361018).

Almost surely, 2^{13215423504255} is an apocalyptic number.

13215423504255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13215423504255 is a deficient number, since it is larger than the sum of its proper divisors (11784673824609).

13215423504255 is a wasteful number, since it uses less digits than its factorization.

13215423504255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294756936 (or 294756929 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 42.

Adding to 13215423504255 its reverse (55240532451231), we get a palindrome (68455955955486).

The spelling of 13215423504255 in words is "thirteen trillion, two hundred fifteen billion, four hundred twenty-three million, five hundred four thousand, two hundred fifty-five".