13254021003215 has 4 divisors (see below), whose sum is σ = 15904825203864. Its totient is φ = 10603216802568.

The previous prime is 13254021003199. The next prime is 13254021003239. The reversal of 13254021003215 is 51230012045231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13254021003215 - 2⁴ = 13254021003199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1325402100317 + ... + 1325402100326.

It is an arithmetic number, because the mean of its divisors is an integer number (3976206300966).

Almost surely, 2^{13254021003215} is an apocalyptic number.

13254021003215 is a deficient number, since it is larger than the sum of its proper divisors (2650804200649).

13254021003215 is an equidigital number, since it uses as much as digits as its factorization.

13254021003215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2650804200648.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 13254021003215 its reverse (51230012045231), we get a palindrome (64484033048446).

The spelling of 13254021003215 in words is "thirteen trillion, two hundred fifty-four billion, twenty-one million, three thousand, two hundred fifteen".