223506525661117 has 2 divisors, whose sum is σ = 223506525661118. Its totient is φ = 223506525661116.

The previous prime is 223506525661103. The next prime is 223506525661151. The reversal of 223506525661117 is 711166525605322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 222247688784676 + 1258836876441 = 14907974^2 + 1121979^2 .

It is a cyclic number.

It is not a de Polignac number, because 223506525661117 - 2¹⁵ = 223506525628349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223506525661717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111753262830558 + 111753262830559.

It is an arithmetic number, because the mean of its divisors is an integer number (111753262830559).

Almost surely, 2^{223506525661117} is an apocalyptic number.

It is an amenable number.

223506525661117 is a deficient number, since it is larger than the sum of its proper divisors (1).

223506525661117 is an equidigital number, since it uses as much as digits as its factorization.

223506525661117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536000, while the sum is 52.

The spelling of 223506525661117 in words is "two hundred twenty-three trillion, five hundred six billion, five hundred twenty-five million, six hundred sixty-one thousand, one hundred seventeen".