15530112139 has 2 divisors, whose sum is σ = 15530112140. Its totient is φ = 15530112138.

The previous prime is 15530112113. The next prime is 15530112149. The reversal of 15530112139 is 93121103551.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15530112139 - 2⁵ = 15530112107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15530112139.

It is not a weakly prime, because it can be changed into another prime (15530112109) 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, 7765056069 + 7765056070.

It is an arithmetic number, because the mean of its divisors is an integer number (7765056070).

Almost surely, 2^15530112139 is an apocalyptic number.

15530112139 is a deficient number, since it is larger than the sum of its proper divisors (1).

15530112139 is an equidigital number, since it uses as much as digits as its factorization.

15530112139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4050, while the sum is 31.

The spelling of 15530112139 in words is "fifteen billion, five hundred thirty million, one hundred twelve thousand, one hundred thirty-nine".