15305005345 has 32 divisors (see below), whose sum is σ = 22657605120. Its totient is φ = 9692390400.

The previous prime is 15305005307. The next prime is 15305005363. The reversal of 15305005345 is 54350050351.

15305005345 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 15305005345 - 2¹³ = 15304997153 is a prime.

It is a super-2 number, since 2×15305005345² (a number of 21 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 304456 + ... + 351145.

It is an arithmetic number, because the mean of its divisors is an integer number (708050160).

Almost surely, 2^15305005345 is an apocalyptic number.

It is an amenable number.

15305005345 is a deficient number, since it is larger than the sum of its proper divisors (7352599775).

15305005345 is a wasteful number, since it uses less digits than its factorization.

15305005345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655665.

The product of its (nonzero) digits is 22500, while the sum is 31.

Adding to 15305005345 its reverse (54350050351), we get a palindrome (69655055696).

The spelling of 15305005345 in words is "fifteen billion, three hundred five million, five thousand, three hundred forty-five".