15530112113 has 2 divisors, whose sum is σ = 15530112114. Its totient is φ = 15530112112.

The previous prime is 15530112109. The next prime is 15530112139. The reversal of 15530112113 is 31121103551.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13088961649 + 2441150464 = 114407^2 + 49408^2 .

It is a cyclic number.

It is not a de Polignac number, because 15530112113 - 2² = 15530112109 is a prime.

It is not a weakly prime, because it can be changed into another prime (15530112313) 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 as a sum of consecutive naturals, namely, 7765056056 + 7765056057.

It is an arithmetic number, because the mean of its divisors is an integer number (7765056057).

Almost surely, 2^15530112113 is an apocalyptic number.

It is an amenable number.

15530112113 is a deficient number, since it is larger than the sum of its proper divisors (1).

15530112113 is an equidigital number, since it uses as much as digits as its factorization.

15530112113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 450, while the sum is 23.

Adding to 15530112113 its reverse (31121103551), we get a palindrome (46651215664).

The spelling of 15530112113 in words is "fifteen billion, five hundred thirty million, one hundred twelve thousand, one hundred thirteen".