15530112107 has 2 divisors, whose sum is σ = 15530112108. Its totient is φ = 15530112106.

The previous prime is 15530112089. The next prime is 15530112109. The reversal of 15530112107 is 70121103551.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15530112107 is a prime.

Together with 15530112109, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (15530112109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7765056053 + 7765056054.

It is an arithmetic number, because the mean of its divisors is an integer number (7765056054).

Almost surely, 2^15530112107 is an apocalyptic number.

15530112107 is a deficient number, since it is larger than the sum of its proper divisors (1).

15530112107 is an equidigital number, since it uses as much as digits as its factorization.

15530112107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1050, while the sum is 26.

Adding to 15530112107 its reverse (70121103551), we get a palindrome (85651215658).

The spelling of 15530112107 in words is "fifteen billion, five hundred thirty million, one hundred twelve thousand, one hundred seven".