561354711023226 has 16 divisors (see below), whose sum is σ = 1138089003171264. Its totient is φ = 184554973486944.

The previous prime is 561354711023213. The next prime is 561354711023233. The reversal of 561354711023226 is 622320117453165.

It is a super-2 number, since 2×561354711023226² (a number of 30 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 640815879726 + ... + 640815880601.

It is an arithmetic number, because the mean of its divisors is an integer number (71130562698204).

Almost surely, 2^{561354711023226} is an apocalyptic number.

561354711023226 is an abundant number, since it is smaller than the sum of its proper divisors (576734292148038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

561354711023226 is a wasteful number, since it uses less digits than its factorization.

561354711023226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281631760405.

The product of its (nonzero) digits is 1814400, while the sum is 48.

The spelling of 561354711023226 in words is "five hundred sixty-one trillion, three hundred fifty-four billion, seven hundred eleven million, twenty-three thousand, two hundred twenty-six".