15530340113 has 4 divisors (see below), whose sum is σ = 15533052900. Its totient is φ = 15527627328.

The previous prime is 15530340109. The next prime is 15530340127. The reversal of 15530340113 is 31104303551.

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 8188078144 + 7342261969 = 90488^2 + 85687^2 .

It is a cyclic number.

It is not a de Polignac number, because 15530340113 - 2² = 15530340109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15530349113) 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 3 ways as a sum of consecutive naturals, for example, 1347788 + ... + 1359261.

It is an arithmetic number, because the mean of its divisors is an integer number (3883263225).

Almost surely, 2^15530340113 is an apocalyptic number.

It is an amenable number.

15530340113 is a deficient number, since it is larger than the sum of its proper divisors (2712787).

15530340113 is an equidigital number, since it uses as much as digits as its factorization.

15530340113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2712786.

The product of its (nonzero) digits is 2700, while the sum is 26.

Adding to 15530340113 its reverse (31104303551), we get a palindrome (46634643664).

The spelling of 15530340113 in words is "fifteen billion, five hundred thirty million, three hundred forty thousand, one hundred thirteen".