11215134435353 has 4 divisors (see below), whose sum is σ = 11426740745508. Its totient is φ = 11003528125200.

The previous prime is 11215134435259. The next prime is 11215134435359. The reversal of 11215134435353 is 35353443151211.

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 4512068450569 + 6703065984784 = 2124163^2 + 2589028^2 .

It is a cyclic number.

It is not a de Polignac number, because 11215134435353 - 2¹⁸ = 11215134173209 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11215134435353.

It is not an unprimeable number, because it can be changed into a prime (11215134435359) 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, 105803154998 + ... + 105803155103.

It is an arithmetic number, because the mean of its divisors is an integer number (2856685186377).

Almost surely, 2^{11215134435353} is an apocalyptic number.

It is an amenable number.

11215134435353 is a deficient number, since it is larger than the sum of its proper divisors (211606310155).

11215134435353 is an equidigital number, since it uses as much as digits as its factorization.

11215134435353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211606310154.

The product of its digits is 324000, while the sum is 41.

Adding to 11215134435353 its reverse (35353443151211), we get a palindrome (46568577586564).

The spelling of 11215134435353 in words is "eleven trillion, two hundred fifteen billion, one hundred thirty-four million, four hundred thirty-five thousand, three hundred fifty-three".