13315117446 has 48 divisors (see below), whose sum is σ = 30214246608. Its totient is φ = 4394412000.

The previous prime is 13315117421. The next prime is 13315117447. The reversal of 13315117446 is 64471151331.

13315117446 is a `hidden beast` number, since 1 + 3 + 31 + 511 + 74 + 46 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 13315117446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13315117447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86545 + ... + 184716.

It is an arithmetic number, because the mean of its divisors is an integer number (629463471).

Almost surely, 2^13315117446 is an apocalyptic number.

13315117446 is an abundant number, since it is smaller than the sum of its proper divisors (16899129162).

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

13315117446 is a wasteful number, since it uses less digits than its factorization.

13315117446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271379 (or 271367 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

Adding to 13315117446 its reverse (64471151331), we get a palindrome (77786268777).

The spelling of 13315117446 in words is "thirteen billion, three hundred fifteen million, one hundred seventeen thousand, four hundred forty-six".