11325433553 has 12 divisors (see below), whose sum is σ = 13182099300. Its totient is φ = 9701903232.

The previous prime is 11325433547. The next prime is 11325433571. The reversal of 11325433553 is 35533452311.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 188430529 + 11137003024 = 13727^2 + 105532^2 .

It is not a de Polignac number, because 11325433553 - 2¹⁰ = 11325432529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11325433523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19973 + ... + 151821.

It is an arithmetic number, because the mean of its divisors is an integer number (1098508275).

Almost surely, 2^11325433553 is an apocalyptic number.

It is an amenable number.

11325433553 is a deficient number, since it is larger than the sum of its proper divisors (1856665747).

11325433553 is a wasteful number, since it uses less digits than its factorization.

11325433553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133616 (or 133609 counting only the distinct ones).

The product of its digits is 81000, while the sum is 35.

Adding to 11325433553 its reverse (35533452311), we get a palindrome (46858885864).

The spelling of 11325433553 in words is "eleven billion, three hundred twenty-five million, four hundred thirty-three thousand, five hundred fifty-three".