15500228659 has 2 divisors, whose sum is σ = 15500228660. Its totient is φ = 15500228658.

The previous prime is 15500228657. The next prime is 15500228677. The reversal of 15500228659 is 95682200551.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15500228659 - 2¹ = 15500228657 is a prime.

Together with 15500228657, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (15500228651) 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, 7750114329 + 7750114330.

It is an arithmetic number, because the mean of its divisors is an integer number (7750114330).

Almost surely, 2^15500228659 is an apocalyptic number.

15500228659 is a deficient number, since it is larger than the sum of its proper divisors (1).

15500228659 is an equidigital number, since it uses as much as digits as its factorization.

15500228659 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216000, while the sum is 43.

The spelling of 15500228659 in words is "fifteen billion, five hundred million, two hundred twenty-eight thousand, six hundred fifty-nine".