13356145215 has 32 divisors (see below), whose sum is σ = 27136296960. Its totient is φ = 6105665952.

The previous prime is 13356145211. The next prime is 13356145223. The reversal of 13356145215 is 51254165331.

13356145215 is a `hidden beast` number, since 1 + 3 + 35 + 614 + 5 + 2 + 1 + 5 = 666.

It is not a de Polignac number, because 13356145215 - 2² = 13356145211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13356145215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13356145211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7065799 + ... + 7067688.

It is an arithmetic number, because the mean of its divisors is an integer number (848009280).

Almost surely, 2^13356145215 is an apocalyptic number.

13356145215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13356145215 is an abundant number, since it is smaller than the sum of its proper divisors (13780151745).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13356145215 is a wasteful number, since it uses less digits than its factorization.

13356145215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14133508 (or 14133502 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The spelling of 13356145215 in words is "thirteen billion, three hundred fifty-six million, one hundred forty-five thousand, two hundred fifteen".