12326111105558 has 16 divisors (see below), whose sum is σ = 18614627962560. Its totient is φ = 6121354096200.

The previous prime is 12326111105549. The next prime is 12326111105621. The reversal of 12326111105558 is 85550111162321.

It is a super-3 number, since 3×12326111105558³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 29536988 + ... + 29951391.

It is an arithmetic number, because the mean of its divisors is an integer number (1163414247660).

Almost surely, 2^{12326111105558} is an apocalyptic number.

12326111105558 is a deficient number, since it is larger than the sum of its proper divisors (6288516857002).

12326111105558 is a wasteful number, since it uses less digits than its factorization.

12326111105558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59489083.

The product of its (nonzero) digits is 72000, while the sum is 41.

Adding to 12326111105558 its reverse (85550111162321), we get a palindrome (97876222267879).

The spelling of 12326111105558 in words is "twelve trillion, three hundred twenty-six billion, one hundred eleven million, one hundred five thousand, five hundred fifty-eight".