11140016555521 has 8 divisors (see below), whose sum is σ = 12732749221184. Its totient is φ = 9547609322160.

The previous prime is 11140016555491. The next prime is 11140016555531. The reversal of 11140016555521 is 12555561004111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11140016555521 - 2¹¹ = 11140016553473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11140016555531) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 81284715 + ... + 81421648.

It is an arithmetic number, because the mean of its divisors is an integer number (1591593652648).

Almost surely, 2^{11140016555521} is an apocalyptic number.

It is an amenable number.

11140016555521 is a deficient number, since it is larger than the sum of its proper divisors (1592732665663).

11140016555521 is an equidigital number, since it uses as much as digits as its factorization.

11140016555521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162716151.

The product of its (nonzero) digits is 30000, while the sum is 37.

Adding to 11140016555521 its reverse (12555561004111), we get a palindrome (23695577559632).

The spelling of 11140016555521 in words is "eleven trillion, one hundred forty billion, sixteen million, five hundred fifty-five thousand, five hundred twenty-one".