15530113305 has 24 divisors (see below), whose sum is σ = 30764415552. Its totient is φ = 7099480224.

The previous prime is 15530113271. The next prime is 15530113331. The reversal of 15530113305 is 50331103551.

15530113305 is a `hidden beast` number, since 1 + 55 + 301 + 1 + 3 + 305 = 666.

It is not a de Polignac number, because 15530113305 - 2⁷ = 15530113177 is a prime.

It is a super-2 number, since 2×15530113305² (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 (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24650659 + ... + 24651288.

It is an arithmetic number, because the mean of its divisors is an integer number (1281850648).

Almost surely, 2^15530113305 is an apocalyptic number.

15530113305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15530113305 is a deficient number, since it is larger than the sum of its proper divisors (15234302247).

15530113305 is a wasteful number, since it uses less digits than its factorization.

15530113305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49301965 (or 49301962 counting only the distinct ones).

The product of its (nonzero) digits is 3375, while the sum is 27.

Adding to 15530113305 its reverse (50331103551), we get a palindrome (65861216856).

The spelling of 15530113305 in words is "fifteen billion, five hundred thirty million, one hundred thirteen thousand, three hundred five".