11787034388 has 24 divisors (see below), whose sum is σ = 22790279232. Its totient is φ = 5305672064.

The previous prime is 11787034373. The next prime is 11787034417. The reversal of 11787034388 is 88343078711.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3766670 + ... + 3769797.

It is an arithmetic number, because the mean of its divisors is an integer number (949594968).

Almost surely, 2^11787034388 is an apocalyptic number.

It is an amenable number.

11787034388 is a deficient number, since it is larger than the sum of its proper divisors (11003244844).

11787034388 is a wasteful number, since it uses less digits than its factorization.

11787034388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7536511 (or 7536509 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 50.

The spelling of 11787034388 in words is "eleven billion, seven hundred eighty-seven million, thirty-four thousand, three hundred eighty-eight".