11057072012 has 12 divisors (see below), whose sum is σ = 22114144080. Its totient is φ = 4738745136.

The previous prime is 11057072011. The next prime is 11057072029. The reversal of 11057072012 is 21027075011.

11057072012 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (11057072011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197447687 + ... + 197447742.

It is an arithmetic number, because the mean of its divisors is an integer number (1842845340).

Almost surely, 2^11057072012 is an apocalyptic number.

It is an amenable number.

11057072012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11057072012 is a wasteful number, since it uses less digits than its factorization.

11057072012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394895440 (or 394895438 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 26.

The spelling of 11057072012 in words is "eleven billion, fifty-seven million, seventy-two thousand, twelve".