11726631454123 has 16 divisors (see below), whose sum is σ = 11885380087680. Its totient is φ = 11568145245696.

The previous prime is 11726631454117. The next prime is 11726631454141. The reversal of 11726631454123 is 32145413662711.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11726631454123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11726631454163) 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 in 15 ways as a sum of consecutive naturals, for example, 468808965 + ... + 468833977.

It is an arithmetic number, because the mean of its divisors is an integer number (742836255480).

Almost surely, 2^{11726631454123} is an apocalyptic number.

11726631454123 is a deficient number, since it is larger than the sum of its proper divisors (158748633557).

11726631454123 is a wasteful number, since it uses less digits than its factorization.

11726631454123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30006.

The product of its digits is 725760, while the sum is 46.

The spelling of 11726631454123 in words is "eleven trillion, seven hundred twenty-six billion, six hundred thirty-one million, four hundred fifty-four thousand, one hundred twenty-three".