11255432033550 has 48 divisors (see below), whose sum is σ = 27933032921472. Its totient is φ = 2999345157600.

The previous prime is 11255432033513. The next prime is 11255432033551. The reversal of 11255432033550 is 5533023455211.

It is a junction number, because it is equal to n+sod(n) for n = 11255432033499 and 11255432033508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11255432033551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26077546 + ... + 26505645.

It is an arithmetic number, because the mean of its divisors is an integer number (581938185864).

Almost surely, 2^{11255432033550} is an apocalyptic number.

11255432033550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11255432033550 is an abundant number, since it is smaller than the sum of its proper divisors (16677600887922).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11255432033550 is a wasteful number, since it uses less digits than its factorization.

11255432033550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52584633 (or 52584628 counting only the distinct ones).

The product of its (nonzero) digits is 270000, while the sum is 39.

Adding to 11255432033550 its reverse (5533023455211), we get a palindrome (16788455488761).

The spelling of 11255432033550 in words is "eleven trillion, two hundred fifty-five billion, four hundred thirty-two million, thirty-three thousand, five hundred fifty".