315562225109 has 2 divisors, whose sum is σ = 315562225110. Its totient is φ = 315562225108.

The previous prime is 315562225049. The next prime is 315562225141. The reversal of 315562225109 is 901522265513.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 263841459025 + 51720766084 = 513655^2 + 227422^2 .

It is a cyclic number.

It is not a de Polignac number, because 315562225109 - 2⁸ = 315562224853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315562222109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157781112554 + 157781112555.

It is an arithmetic number, because the mean of its divisors is an integer number (157781112555).

Almost surely, 2^315562225109 is an apocalyptic number.

It is an amenable number.

315562225109 is a deficient number, since it is larger than the sum of its proper divisors (1).

315562225109 is an equidigital number, since it uses as much as digits as its factorization.

315562225109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162000, while the sum is 41.

The spelling of 315562225109 in words is "three hundred fifteen billion, five hundred sixty-two million, two hundred twenty-five thousand, one hundred nine".