11434318573 has 4 divisors (see below), whose sum is σ = 11590953148. Its totient is φ = 11277684000.

The previous prime is 11434318561. The next prime is 11434318583. The reversal of 11434318573 is 37581343411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4931831529 + 6502487044 = 70227^2 + 80638^2 .

It is a cyclic number.

It is not a de Polignac number, because 11434318573 - 2³³ = 2844383981 is a prime.

It is a super-3 number, since 3×11434318573³ (a number of 31 digits) contains 333 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 (11434318583) 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 3 ways as a sum of consecutive naturals, for example, 78317178 + ... + 78317323.

It is an arithmetic number, because the mean of its divisors is an integer number (2897738287).

Almost surely, 2^11434318573 is an apocalyptic number.

It is an amenable number.

11434318573 is a deficient number, since it is larger than the sum of its proper divisors (156634575).

11434318573 is an equidigital number, since it uses as much as digits as its factorization.

11434318573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156634574.

The product of its digits is 120960, while the sum is 40.

The spelling of 11434318573 in words is "eleven billion, four hundred thirty-four million, three hundred eighteen thousand, five hundred seventy-three".