11726488213642 has 16 divisors (see below), whose sum is σ = 17734281473664. Its totient is φ = 5815184130000.

The previous prime is 11726488213579. The next prime is 11726488213663. The reversal of 11726488213642 is 24631288462711.

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, 30577609 + ... + 30958732.

It is an arithmetic number, because the mean of its divisors is an integer number (1108392592104).

Almost surely, 2^{11726488213642} is an apocalyptic number.

11726488213642 is a deficient number, since it is larger than the sum of its proper divisors (6007793260022).

11726488213642 is a wasteful number, since it uses less digits than its factorization.

11726488213642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61537125.

The product of its digits is 6193152, while the sum is 55.

The spelling of 11726488213642 in words is "eleven trillion, seven hundred twenty-six billion, four hundred eighty-eight million, two hundred thirteen thousand, six hundred forty-two".