13215142353305 has 8 divisors (see below), whose sum is σ = 15905227712712. Its totient is φ = 10540742623488.

The previous prime is 13215142353293. The next prime is 13215142353353. The reversal of 13215142353305 is 50335324151231.

13215142353305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 103877934601 + 13111264418704 = 322301^2 + 3620948^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13215142353305 - 2¹² = 13215142349209 is a prime.

It is a super-2 number, since 2×13215142353305² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3921405542 + ... + 3921408911.

It is an arithmetic number, because the mean of its divisors is an integer number (1988153464089).

Almost surely, 2^{13215142353305} is an apocalyptic number.

It is an amenable number.

13215142353305 is a deficient number, since it is larger than the sum of its proper divisors (2690085359407).

13215142353305 is an equidigital number, since it uses as much as digits as its factorization.

13215142353305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7842814795.

The product of its (nonzero) digits is 162000, while the sum is 38.

The spelling of 13215142353305 in words is "thirteen trillion, two hundred fifteen billion, one hundred forty-two million, three hundred fifty-three thousand, three hundred five".