15600222461 has 2 divisors, whose sum is σ = 15600222462. Its totient is φ = 15600222460.

The previous prime is 15600222439. The next prime is 15600222481. The reversal of 15600222461 is 16422200651.

15600222461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9021390361 + 6578832100 = 94981^2 + 81110^2 .

It is a cyclic number.

It is not a de Polignac number, because 15600222461 - 2¹⁰ = 15600221437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15600222401) 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, 7800111230 + 7800111231.

It is an arithmetic number, because the mean of its divisors is an integer number (7800111231).

Almost surely, 2^15600222461 is an apocalyptic number.

It is an amenable number.

15600222461 is a deficient number, since it is larger than the sum of its proper divisors (1).

15600222461 is an equidigital number, since it uses as much as digits as its factorization.

15600222461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 29.

The spelling of 15600222461 in words is "fifteen billion, six hundred million, two hundred twenty-two thousand, four hundred sixty-one".