13115394505 has 8 divisors (see below), whose sum is σ = 15739100352. Its totient is φ = 10491897648.

The previous prime is 13115394503. The next prime is 13115394553. The reversal of 13115394505 is 50549351131.

It is a happy number.

13115394505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 13115394505 - 2¹ = 13115394503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13115394503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178354 + ... + 240916.

It is an arithmetic number, because the mean of its divisors is an integer number (1967387544).

Almost surely, 2^13115394505 is an apocalyptic number.

It is an amenable number.

13115394505 is a deficient number, since it is larger than the sum of its proper divisors (2623705847).

13115394505 is an equidigital number, since it uses as much as digits as its factorization.

13115394505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104495.

The product of its (nonzero) digits is 40500, while the sum is 37.

The spelling of 13115394505 in words is "thirteen billion, one hundred fifteen million, three hundred ninety-four thousand, five hundred five".