11533263145 has 8 divisors (see below), whose sum is σ = 13861114056. Its totient is φ = 9212478336.

The previous prime is 11533263143. The next prime is 11533263163. The reversal of 11533263145 is 54136233511.

It can be written as a sum of positive squares in 4 ways, for example, as 9884736 + 11523378409 = 3144^2 + 107347^2 .

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 11533263145 - 2¹ = 11533263143 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 11533263145.

It is not an unprimeable number, because it can be changed into a prime (11533263143) 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 7 ways as a sum of consecutive naturals, for example, 1762932 + ... + 1769461.

It is an arithmetic number, because the mean of its divisors is an integer number (1732639257).

Almost surely, 2^11533263145 is an apocalyptic number.

It is an amenable number.

11533263145 is a deficient number, since it is larger than the sum of its proper divisors (2327850911).

11533263145 is an equidigital number, since it uses as much as digits as its factorization.

11533263145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3533051.

The product of its digits is 32400, while the sum is 34.

Adding to 11533263145 its reverse (54136233511), we get a palindrome (65669496656).

The spelling of 11533263145 in words is "eleven billion, five hundred thirty-three million, two hundred sixty-three thousand, one hundred forty-five".