11356445573 has 4 divisors (see below), whose sum is σ = 12388849728. Its totient is φ = 10324041420.

The previous prime is 11356445561. The next prime is 11356445609. The reversal of 11356445573 is 37554465311.

11356445573 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 11356445573 - 2⁶ = 11356445509 is a prime.

It is a super-2 number, since 2×11356445573² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11356445273) 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 3 ways as a sum of consecutive naturals, for example, 516202061 + ... + 516202082.

It is an arithmetic number, because the mean of its divisors is an integer number (3097212432).

Almost surely, 2^11356445573 is an apocalyptic number.

It is an amenable number.

11356445573 is a deficient number, since it is larger than the sum of its proper divisors (1032404155).

11356445573 is a wasteful number, since it uses less digits than its factorization.

11356445573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032404154.

The product of its digits is 756000, while the sum is 44.

The spelling of 11356445573 in words is "eleven billion, three hundred fifty-six million, four hundred forty-five thousand, five hundred seventy-three".