11303012440553 has 8 divisors (see below), whose sum is σ = 11433654043560. Its totient is φ = 11172658913280.

The previous prime is 11303012440519. The next prime is 11303012440579. The reversal of 11303012440553 is 35504421030311.

It can be written as a sum of positive squares in 4 ways, for example, as 3585217280089 + 7717795160464 = 1893467^2 + 2778092^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11303012440553 - 2¹⁰ = 11303012439529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11303012440253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71940008 + ... + 72096953.

It is an arithmetic number, because the mean of its divisors is an integer number (1429206755445).

Almost surely, 2^{11303012440553} is an apocalyptic number.

It is an amenable number.

11303012440553 is a deficient number, since it is larger than the sum of its proper divisors (130641603007).

11303012440553 is an equidigital number, since it uses as much as digits as its factorization.

11303012440553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144037867.

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 11303012440553 its reverse (35504421030311), we get a palindrome (46807433470864).

The spelling of 11303012440553 in words is "eleven trillion, three hundred three billion, twelve million, four hundred forty thousand, five hundred fifty-three".