11952203646 has 16 divisors (see below), whose sum is σ = 24003598608. Its totient is φ = 3967536000.

The previous prime is 11952203623. The next prime is 11952203663. The reversal of 11952203646 is 64630225911.

11952203646 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, 4131405 + ... + 4134296.

It is an arithmetic number, because the mean of its divisors is an integer number (1500224913).

Almost surely, 2^11952203646 is an apocalyptic number.

11952203646 is an abundant number, since it is smaller than the sum of its proper divisors (12051394962).

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

11952203646 is a wasteful number, since it uses less digits than its factorization.

11952203646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8265947.

The product of its (nonzero) digits is 77760, while the sum is 39.

The spelling of 11952203646 in words is "eleven billion, nine hundred fifty-two million, two hundred three thousand, six hundred forty-six".