11000503856 has 10 divisors (see below), whose sum is σ = 21313476252. Its totient is φ = 5500251920.

The previous prime is 11000503849. The next prime is 11000503859. The reversal of 11000503856 is 65830500011.

It is a super-2 number, since 2×11000503856² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11000503859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 343765730 + ... + 343765761.

Almost surely, 2^11000503856 is an apocalyptic number.

11000503856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11000503856 is a deficient number, since it is larger than the sum of its proper divisors (10312972396).

11000503856 is an equidigital number, since it uses as much as digits as its factorization.

11000503856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687531499 (or 687531493 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 29.

The spelling of 11000503856 in words is "eleven billion, five hundred three thousand, eight hundred fifty-six".