11050540303521 has 16 divisors (see below), whose sum is σ = 14871923253504. Its totient is φ = 7298093667984.

The previous prime is 11050540303513. The next prime is 11050540303573. The reversal of 11050540303521 is 12530304505011.

It is not a de Polignac number, because 11050540303521 - 2³ = 11050540303513 is a prime.

It is a super-2 number, since 2×11050540303521² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11050540303511) 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 15 ways as a sum of consecutive naturals, for example, 43551006 + ... + 43804008.

It is an arithmetic number, because the mean of its divisors is an integer number (929495203344).

Almost surely, 2^{11050540303521} is an apocalyptic number.

It is an amenable number.

11050540303521 is a deficient number, since it is larger than the sum of its proper divisors (3821382949983).

11050540303521 is a wasteful number, since it uses less digits than its factorization.

11050540303521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389180.

The product of its (nonzero) digits is 9000, while the sum is 30.

Adding to 11050540303521 its reverse (12530304505011), we get a palindrome (23580844808532).

The spelling of 11050540303521 in words is "eleven trillion, fifty billion, five hundred forty million, three hundred three thousand, five hundred twenty-one".