13215622361705 has 8 divisors (see below), whose sum is σ = 15858846686592. Its totient is φ = 10572431321008.

The previous prime is 13215622361677. The next prime is 13215622361719. The reversal of 13215622361705 is 50716322651231.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13215622361705 is a prime.

It is a Duffinian 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, 7439027 + ... + 9042696.

It is an arithmetic number, because the mean of its divisors is an integer number (1982355835824).

Almost surely, 2^{13215622361705} is an apocalyptic number.

It is an amenable number.

13215622361705 is a deficient number, since it is larger than the sum of its proper divisors (2643224324887).

13215622361705 is a wasteful number, since it uses less digits than its factorization.

13215622361705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16642095.

The product of its (nonzero) digits is 453600, while the sum is 44.

The spelling of 13215622361705 in words is "thirteen trillion, two hundred fifteen billion, six hundred twenty-two million, three hundred sixty-one thousand, seven hundred five".