11200640646 has 16 divisors (see below), whose sum is σ = 24124456944. Its totient is φ = 3446350944.

The previous prime is 11200640603. The next prime is 11200640651. The reversal of 11200640646 is 64604600211.

11200640646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 71798901 + ... + 71799056.

It is an arithmetic number, because the mean of its divisors is an integer number (1507778559).

Almost surely, 2^11200640646 is an apocalyptic number.

11200640646 is an abundant number, since it is smaller than the sum of its proper divisors (12923816298).

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

11200640646 is a wasteful number, since it uses less digits than its factorization.

11200640646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143597975.

The product of its (nonzero) digits is 6912, while the sum is 30.

The spelling of 11200640646 in words is "eleven billion, two hundred million, six hundred forty thousand, six hundred forty-six".