11643761804 has 12 divisors (see below), whose sum is σ = 20386699704. Its totient is φ = 5818990464.

The previous prime is 11643761743. The next prime is 11643761809. The reversal of 11643761804 is 40816734611.

It is not an unprimeable number, because it can be changed into a prime (11643761809) 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, 713534 + ... + 729669.

It is an arithmetic number, because the mean of its divisors is an integer number (1698891642).

Almost surely, 2^11643761804 is an apocalyptic number.

It is an amenable number.

11643761804 is a deficient number, since it is larger than the sum of its proper divisors (8742937900).

11643761804 is a wasteful number, since it uses less digits than its factorization.

11643761804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1445224 (or 1445222 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 41.

The spelling of 11643761804 in words is "eleven billion, six hundred forty-three million, seven hundred sixty-one thousand, eight hundred four".