11056571718 has 16 divisors (see below), whose sum is σ = 22114194480. Its totient is φ = 3685348736.

The previous prime is 11056571699. The next prime is 11056571759. The reversal of 11056571718 is 81717565011.

It is a self number, because there is not a number n which added to its sum of digits gives 11056571718.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184546 + ... + 237002.

It is an arithmetic number, because the mean of its divisors is an integer number (1382137155).

Almost surely, 2^11056571718 is an apocalyptic number.

11056571718 is an abundant number, since it is smaller than the sum of its proper divisors (11057622762).

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

11056571718 is a wasteful number, since it uses less digits than its factorization.

11056571718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87591.

The product of its (nonzero) digits is 58800, while the sum is 42.

The spelling of 11056571718 in words is "eleven billion, fifty-six million, five hundred seventy-one thousand, seven hundred eighteen".