15600552223 has 2 divisors, whose sum is σ = 15600552224. Its totient is φ = 15600552222.

The previous prime is 15600552181. The next prime is 15600552229. The reversal of 15600552223 is 32225500651.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (32225500651) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15600552223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15600552229) 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, 7800276111 + 7800276112.

It is an arithmetic number, because the mean of its divisors is an integer number (7800276112).

Almost surely, 2^15600552223 is an apocalyptic number.

15600552223 is a deficient number, since it is larger than the sum of its proper divisors (1).

15600552223 is an equidigital number, since it uses as much as digits as its factorization.

15600552223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 15600552223 in words is "fifteen billion, six hundred million, five hundred fifty-two thousand, two hundred twenty-three".