11320724473 has 12 divisors (see below), whose sum is σ = 12059997660. Its totient is φ = 10624520192.

The previous prime is 11320724447. The next prime is 11320724477. The reversal of 11320724473 is 37442702311.

11320724473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 19333609 + 11301390864 = 4397^2 + 106308^2 .

It is not a de Polignac number, because 11320724473 - 2⁹ = 11320723961 is a prime.

It is a super-2 number, since 2×11320724473² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11320724477) 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 11 ways as a sum of consecutive naturals, for example, 46533 + ... + 157501.

It is an arithmetic number, because the mean of its divisors is an integer number (1004999805).

Almost surely, 2^11320724473 is an apocalyptic number.

It is an amenable number.

11320724473 is a deficient number, since it is larger than the sum of its proper divisors (739273187).

11320724473 is a wasteful number, since it uses less digits than its factorization.

11320724473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111356 (or 111339 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 34.

The spelling of 11320724473 in words is "eleven billion, three hundred twenty million, seven hundred twenty-four thousand, four hundred seventy-three".