13215142353445 has 32 divisors (see below), whose sum is σ = 16214126860800. Its totient is φ = 10337490169344.

The previous prime is 13215142353431. The next prime is 13215142353451. The reversal of 13215142353445 is 54435324151231.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13215142353445 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89609889 + ... + 89757241.

It is an arithmetic number, because the mean of its divisors is an integer number (506691464400).

Almost surely, 2^{13215142353445} is an apocalyptic number.

It is an amenable number.

13215142353445 is a deficient number, since it is larger than the sum of its proper divisors (2998984507355).

13215142353445 is a wasteful number, since it uses less digits than its factorization.

13215142353445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149629.

The product of its digits is 864000, while the sum is 43.

The spelling of 13215142353445 in words is "thirteen trillion, two hundred fifteen billion, one hundred forty-two million, three hundred fifty-three thousand, four hundred forty-five".