13215362545 has 16 divisors (see below), whose sum is σ = 19771555968. Its totient is φ = 8238147840.

The previous prime is 13215362519. The next prime is 13215362549. The reversal of 13215362545 is 54526351231.

It is not a de Polignac number, because 13215362545 - 2²¹ = 13213265393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13215362549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17162424 + ... + 17163193.

It is an arithmetic number, because the mean of its divisors is an integer number (1235722248).

Almost surely, 2^13215362545 is an apocalyptic number.

It is an amenable number.

13215362545 is a deficient number, since it is larger than the sum of its proper divisors (6556193423).

13215362545 is a wasteful number, since it uses less digits than its factorization.

13215362545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34325640.

The product of its digits is 108000, while the sum is 37.

The spelling of 13215362545 in words is "thirteen billion, two hundred fifteen million, three hundred sixty-two thousand, five hundred forty-five".