11255513032250 has 64 divisors (see below), whose sum is σ = 22446505710720. Its totient is φ = 4213858377600.

The previous prime is 11255513032243. The next prime is 11255513032271. The reversal of 11255513032250 is 5223031555211.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11255513032250.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13880339 + ... + 14668838.

It is an arithmetic number, because the mean of its divisors is an integer number (350726651730).

Almost surely, 2^{11255513032250} is an apocalyptic number.

11255513032250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11255513032250 is a deficient number, since it is larger than the sum of its proper divisors (11190992678470).

11255513032250 is a wasteful number, since it uses less digits than its factorization.

11255513032250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28549296 (or 28549286 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 35.

Adding to 11255513032250 its reverse (5223031555211), we get a palindrome (16478544587461).

The spelling of 11255513032250 in words is "eleven trillion, two hundred fifty-five billion, five hundred thirteen million, thirty-two thousand, two hundred fifty".