10971780808 has 16 divisors (see below), whose sum is σ = 20619826560. Its totient is φ = 5473160400.

The previous prime is 10971780731. The next prime is 10971780811. The reversal of 10971780808 is 80808717901.

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, 1587588 + ... + 1594483.

It is an arithmetic number, because the mean of its divisors is an integer number (1288739160).

Almost surely, 2^10971780808 is an apocalyptic number.

It is an amenable number.

10971780808 is a deficient number, since it is larger than the sum of its proper divisors (9648045752).

10971780808 is a wasteful number, since it uses less digits than its factorization.

10971780808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3182508 (or 3182504 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 49.

The spelling of 10971780808 in words is "ten billion, nine hundred seventy-one million, seven hundred eighty thousand, eight hundred eight".