11021138138518 has 16 divisors (see below), whose sum is σ = 17255143427040. Its totient is φ = 5269553283456.

The previous prime is 11021138138453. The next prime is 11021138138557. The reversal of 11021138138518 is 81583183112011.

It is a congruent number.

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, 32233233 + ... + 32573356.

It is an arithmetic number, because the mean of its divisors is an integer number (1078446464190).

Almost surely, 2^{11021138138518} is an apocalyptic number.

11021138138518 is a deficient number, since it is larger than the sum of its proper divisors (6234005288522).

11021138138518 is a wasteful number, since it uses less digits than its factorization.

11021138138518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64810311.

The product of its (nonzero) digits is 46080, while the sum is 43.

The spelling of 11021138138518 in words is "eleven trillion, twenty-one billion, one hundred thirty-eight million, one hundred thirty-eight thousand, five hundred eighteen".