11135854529 has 4 divisors (see below), whose sum is σ = 11260976580. Its totient is φ = 11010732480.

The previous prime is 11135854519. The next prime is 11135854537. The reversal of 11135854529 is 92545853111.

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 1226050225 + 9909804304 = 35015^2 + 99548^2 .

It is a cyclic number.

It is not a de Polignac number, because 11135854529 - 2¹² = 11135850433 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11135854529.

It is not an unprimeable number, because it can be changed into a prime (11135854519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62560892 + ... + 62561069.

It is an arithmetic number, because the mean of its divisors is an integer number (2815244145).

Almost surely, 2^11135854529 is an apocalyptic number.

It is an amenable number.

11135854529 is a deficient number, since it is larger than the sum of its proper divisors (125122051).

11135854529 is an equidigital number, since it uses as much as digits as its factorization.

11135854529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125122050.

The product of its digits is 216000, while the sum is 44.

The spelling of 11135854529 in words is "eleven billion, one hundred thirty-five million, eight hundred fifty-four thousand, five hundred twenty-nine".