11780742316 has 12 divisors (see below), whose sum is σ = 23561484688. Its totient is φ = 5048889552.

The previous prime is 11780742283. The next prime is 11780742353. The reversal of 11780742316 is 61324708711.

It is a happy number.

11780742316 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210370371 + ... + 210370426.

Almost surely, 2^11780742316 is an apocalyptic number.

It is an amenable number.

11780742316 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.

11780742316 is a wasteful number, since it uses less digits than its factorization.

11780742316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420740808 (or 420740806 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 40.

The spelling of 11780742316 in words is "eleven billion, seven hundred eighty million, seven hundred forty-two thousand, three hundred sixteen".