13615342545 has 32 divisors (see below), whose sum is σ = 25979092992. Its totient is φ = 5953540032.

The previous prime is 13615342511. The next prime is 13615342549. The reversal of 13615342545 is 54524351631.

It is a happy number.

13615342545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13615342545 - 2⁷ = 13615342417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13615342549) 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 31 ways as a sum of consecutive naturals, for example, 2816497 + ... + 2821326.

It is an arithmetic number, because the mean of its divisors is an integer number (811846656).

Almost surely, 2^13615342545 is an apocalyptic number.

13615342545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13615342545 is a deficient number, since it is larger than the sum of its proper divisors (12363750447).

13615342545 is a wasteful number, since it uses less digits than its factorization.

13615342545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5637861.

The product of its digits is 216000, while the sum is 39.

The spelling of 13615342545 in words is "thirteen billion, six hundred fifteen million, three hundred forty-two thousand, five hundred forty-five".