11726488213644 has 24 divisors (see below), whose sum is σ = 28971323822448. Its totient is φ = 3678898263040.

The previous prime is 11726488213579. The next prime is 11726488213663. The reversal of 11726488213644 is 44631288462711.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28741392477 + ... + 28741392884.

It is an arithmetic number, because the mean of its divisors is an integer number (1207138492602).

Almost surely, 2^{11726488213644} is an apocalyptic number.

It is an amenable number.

11726488213644 is an abundant number, since it is smaller than the sum of its proper divisors (17244835608804).

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

11726488213644 is a wasteful number, since it uses less digits than its factorization.

11726488213644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57482785385 (or 57482785383 counting only the distinct ones).

The product of its digits is 12386304, while the sum is 57.

The spelling of 11726488213644 in words is "eleven trillion, seven hundred twenty-six billion, four hundred eighty-eight million, two hundred thirteen thousand, six hundred forty-four".