10991434714 has 8 divisors (see below), whose sum is σ = 17755394580. Its totient is φ = 5072969856.

The previous prime is 10991434703. The next prime is 10991434717. The reversal of 10991434714 is 41743419901.

It can be written as a sum of positive squares in 2 ways, for example, as 10673989225 + 317445489 = 103315^2 + 17817^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (10991434717) 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, 211373719 + ... + 211373770.

Almost surely, 2^10991434714 is an apocalyptic number.

10991434714 is a deficient number, since it is larger than the sum of its proper divisors (6763959866).

10991434714 is a wasteful number, since it uses less digits than its factorization.

10991434714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422747504.

The product of its (nonzero) digits is 108864, while the sum is 43.

The spelling of 10991434714 in words is "ten billion, nine hundred ninety-one million, four hundred thirty-four thousand, seven hundred fourteen".