11726628608031 has 4 divisors (see below), whose sum is σ = 15635504810712. Its totient is φ = 7817752405352.

The previous prime is 11726628607949. The next prime is 11726628608033. The reversal of 11726628608031 is 13080682662711.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11726628608031 - 2²⁹ = 11726091737119 is a prime.

It is a super-2 number, since 2×11726628608031² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11726628608033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1954438101336 + ... + 1954438101341.

It is an arithmetic number, because the mean of its divisors is an integer number (3908876202678).

Almost surely, 2^{11726628608031} is an apocalyptic number.

11726628608031 is a deficient number, since it is larger than the sum of its proper divisors (3908876202681).

11726628608031 is an equidigital number, since it uses as much as digits as its factorization.

11726628608031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3908876202680.

The product of its (nonzero) digits is 1161216, while the sum is 51.

The spelling of 11726628608031 in words is "eleven trillion, seven hundred twenty-six billion, six hundred twenty-eight million, six hundred eight thousand, thirty-one".