11503226255 has 8 divisors (see below), whose sum is σ = 13805873712. Its totient is φ = 9201246208.

The previous prime is 11503226191. The next prime is 11503226281. The reversal of 11503226255 is 55262230511.

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 11503226255 - 2⁶ = 11503226191 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 (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128114 + ... + 198543.

It is an arithmetic number, because the mean of its divisors is an integer number (1725734214).

Almost surely, 2^11503226255 is an apocalyptic number.

11503226255 is a deficient number, since it is larger than the sum of its proper divisors (2302647457).

11503226255 is an equidigital number, since it uses as much as digits as its factorization.

11503226255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333705.

The product of its (nonzero) digits is 18000, while the sum is 32.

Adding to 11503226255 its reverse (55262230511), we get a palindrome (66765456766).

The spelling of 11503226255 in words is "eleven billion, five hundred three million, two hundred twenty-six thousand, two hundred fifty-five".