11557811060 has 12 divisors (see below), whose sum is σ = 24271403268. Its totient is φ = 4623124416.

The previous prime is 11557811047. The next prime is 11557811099. The reversal of 11557811060 is 6011875511.

It is a happy number.

11557811060 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 7109187856 + 4448623204 = 84316^2 + 66698^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11557811060.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 288945257 + ... + 288945296.

It is an arithmetic number, because the mean of its divisors is an integer number (2022616939).

Almost surely, 2^11557811060 is an apocalyptic number.

11557811060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11557811060 is an abundant number, since it is smaller than the sum of its proper divisors (12713592208).

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

11557811060 is a wasteful number, since it uses less digits than its factorization.

11557811060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577890562 (or 577890560 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 35.

The spelling of 11557811060 in words is "eleven billion, five hundred fifty-seven million, eight hundred eleven thousand, sixty".