11662520243738 has 32 divisors (see below), whose sum is σ = 21531279100800. Its totient is φ = 4613643023040.

The previous prime is 11662520243669. The next prime is 11662520243753. The reversal of 11662520243738 is 83734202526611.

It is a Curzon number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 7901573 + ... + 9260663.

It is an arithmetic number, because the mean of its divisors is an integer number (672852471900).

Almost surely, 2^{11662520243738} is an apocalyptic number.

11662520243738 is a deficient number, since it is larger than the sum of its proper divisors (9868758857062).

11662520243738 is a wasteful number, since it uses less digits than its factorization.

11662520243738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406262.

The product of its (nonzero) digits is 2903040, while the sum is 50.

The spelling of 11662520243738 in words is "eleven trillion, six hundred sixty-two billion, five hundred twenty million, two hundred forty-three thousand, seven hundred thirty-eight".