15722255057 has 2 divisors, whose sum is σ = 15722255058. Its totient is φ = 15722255056.

The previous prime is 15722255047. The next prime is 15722255137. The reversal of 15722255057 is 75055222751.

15722255057 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., 10322356801 + 5399898256 = 101599^2 + 73484^2 .

It is a cyclic number.

It is not a de Polignac number, because 15722255057 - 2¹⁰ = 15722254033 is a prime.

It is not a weakly prime, because it can be changed into another prime (15722255047) 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, 7861127528 + 7861127529.

It is an arithmetic number, because the mean of its divisors is an integer number (7861127529).

Almost surely, 2^15722255057 is an apocalyptic number.

It is an amenable number.

15722255057 is a deficient number, since it is larger than the sum of its proper divisors (1).

15722255057 is an equidigital number, since it uses as much as digits as its factorization.

15722255057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 245000, while the sum is 41.

The spelling of 15722255057 in words is "fifteen billion, seven hundred twenty-two million, two hundred fifty-five thousand, fifty-seven".