11527221773 has 8 divisors (see below), whose sum is σ = 12273482880. Its totient is φ = 10788537280.

The previous prime is 11527221751. The next prime is 11527221781. The reversal of 11527221773 is 37712272511.

11527221773 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11527221773 - 2¹² = 11527217677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11527221743) by changing a digit.

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, 1891013 + ... + 1897098.

It is an arithmetic number, because the mean of its divisors is an integer number (1534185360).

Almost surely, 2^11527221773 is an apocalyptic number.

It is an amenable number.

11527221773 is a deficient number, since it is larger than the sum of its proper divisors (746261107).

11527221773 is a wasteful number, since it uses less digits than its factorization.

11527221773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3788307.

The product of its digits is 41160, while the sum is 38.

The spelling of 11527221773 in words is "eleven billion, five hundred twenty-seven million, two hundred twenty-one thousand, seven hundred seventy-three".