11726631383855 has 4 divisors (see below), whose sum is σ = 14071957660632. Its totient is φ = 9381305107080.

The previous prime is 11726631383827. The next prime is 11726631383869. The reversal of 11726631383855 is 55838313662711.

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

It is not a de Polignac number, because 11726631383855 - 2³⁰ = 11725557642031 is a prime.

It is a super-2 number, since 2×11726631383855² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11726631383794 and 11726631383803.

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 3 ways as a sum of consecutive naturals, for example, 1172663138381 + ... + 1172663138390.

It is an arithmetic number, because the mean of its divisors is an integer number (3517989415158).

Almost surely, 2^{11726631383855} is an apocalyptic number.

11726631383855 is a deficient number, since it is larger than the sum of its proper divisors (2345326276777).

11726631383855 is an equidigital number, since it uses as much as digits as its factorization.

11726631383855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2345326276776.

The product of its digits is 21772800, while the sum is 59.

The spelling of 11726631383855 in words is "eleven trillion, seven hundred twenty-six billion, six hundred thirty-one million, three hundred eighty-three thousand, eight hundred fifty-five".