11057721772 has 24 divisors (see below), whose sum is σ = 19793221056. Its totient is φ = 5402878848.

The previous prime is 11057721749. The next prime is 11057721809. The reversal of 11057721772 is 27712775011.

11057721772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77728 + ... + 167800.

It is an arithmetic number, because the mean of its divisors is an integer number (824717544).

Almost surely, 2^11057721772 is an apocalyptic number.

It is an amenable number.

11057721772 is a deficient number, since it is larger than the sum of its proper divisors (8735499284).

11057721772 is a wasteful number, since it uses less digits than its factorization.

11057721772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90777 (or 90775 counting only the distinct ones).

The product of its (nonzero) digits is 48020, while the sum is 40.

The spelling of 11057721772 in words is "eleven billion, fifty-seven million, seven hundred twenty-one thousand, seven hundred seventy-two".