11550133255 has 12 divisors (see below), whose sum is σ = 13998809736. Its totient is φ = 9148580000.

The previous prime is 11550133249. The next prime is 11550133333. The reversal of 11550133255 is 55233105511.

It is not a de Polignac number, because 11550133255 - 2⁵ = 11550133223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62221 + ... + 164230.

It is an arithmetic number, because the mean of its divisors is an integer number (1166567478).

Almost surely, 2^11550133255 is an apocalyptic number.

11550133255 is a deficient number, since it is larger than the sum of its proper divisors (2448676481).

11550133255 is an equidigital number, since it uses as much as digits as its factorization.

11550133255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226658 (or 226557 counting only the distinct ones).

The product of its (nonzero) digits is 11250, while the sum is 31.

Adding to 11550133255 its reverse (55233105511), we get a palindrome (66783238766).

The spelling of 11550133255 in words is "eleven billion, five hundred fifty million, one hundred thirty-three thousand, two hundred fifty-five".