15045304513 has 4 divisors (see below), whose sum is σ = 15047597268. Its totient is φ = 15043011760.

The previous prime is 15045304471. The next prime is 15045304523. The reversal of 15045304513 is 31540354051.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5242918464 + 9802386049 = 72408^2 + 99007^2 .

It is a cyclic number.

It is not a de Polignac number, because 15045304513 - 2²⁹ = 14508433601 is a prime.

It is a super-2 number, since 2×15045304513² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15045304523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1136506 + ... + 1149667.

It is an arithmetic number, because the mean of its divisors is an integer number (3761899317).

Almost surely, 2^15045304513 is an apocalyptic number.

It is an amenable number.

15045304513 is a deficient number, since it is larger than the sum of its proper divisors (2292755).

15045304513 is an equidigital number, since it uses as much as digits as its factorization.

15045304513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2292754.

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 15045304513 its reverse (31540354051), we get a palindrome (46585658564).

The spelling of 15045304513 in words is "fifteen billion, forty-five million, three hundred four thousand, five hundred thirteen".