15880023361 has 2 divisors, whose sum is σ = 15880023362. Its totient is φ = 15880023360.

The previous prime is 15880023353. The next prime is 15880023407. The reversal of 15880023361 is 16332008851.

15880023361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15167400336 + 712623025 = 123156^2 + 26695^2 .

It is a cyclic number.

It is not a de Polignac number, because 15880023361 - 2³ = 15880023353 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15880023361.

It is not a weakly prime, because it can be changed into another prime (15880033361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7940011680 + 7940011681.

It is an arithmetic number, because the mean of its divisors is an integer number (7940011681).

Almost surely, 2^15880023361 is an apocalyptic number.

It is an amenable number.

15880023361 is a deficient number, since it is larger than the sum of its proper divisors (1).

15880023361 is an equidigital number, since it uses as much as digits as its factorization.

15880023361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 15880023361 in words is "fifteen billion, eight hundred eighty million, twenty-three thousand, three hundred sixty-one".