11056555555550 has 24 divisors (see below), whose sum is σ = 20630067789816. Its totient is φ = 4408670726240.

The previous prime is 11056555555531. The next prime is 11056555555583. The reversal of 11056555555550 is 5555555565011.

It is a happy number.

11056555555550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11056555555492 and 11056555555501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 348771392 + ... + 348803091.

It is an arithmetic number, because the mean of its divisors is an integer number (859586157909).

Almost surely, 2^{11056555555550} is an apocalyptic number.

11056555555550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11056555555550 is a deficient number, since it is larger than the sum of its proper divisors (9573512234266).

11056555555550 is a wasteful number, since it uses less digits than its factorization.

11056555555550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697574812 (or 697574807 counting only the distinct ones).

The product of its (nonzero) digits is 11718750, while the sum is 53.

The spelling of 11056555555550 in words is "eleven trillion, fifty-six billion, five hundred fifty-five million, five hundred fifty-five thousand, five hundred fifty".