13216011545 has 64 divisors (see below), whose sum is σ = 19055554560. Its totient is φ = 8693337600.

The previous prime is 13216011539. The next prime is 13216011551. The reversal of 13216011545 is 54511061231.

13216011545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13216011539) and next prime (13216011551).

It is not a de Polignac number, because 13216011545 - 2²⁴ = 13199234329 is a prime.

It is a super-2 number, since 2×13216011545² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 2010434 + ... + 2016996.

It is an arithmetic number, because the mean of its divisors is an integer number (297743040).

Almost surely, 2^13216011545 is an apocalyptic number.

It is an amenable number.

13216011545 is a deficient number, since it is larger than the sum of its proper divisors (5839543015).

13216011545 is a wasteful number, since it uses less digits than its factorization.

13216011545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6686.

The product of its (nonzero) digits is 3600, while the sum is 29.

Adding to 13216011545 its reverse (54511061231), we get a palindrome (67727072776).

The spelling of 13216011545 in words is "thirteen billion, two hundred sixteen million, eleven thousand, five hundred forty-five".