11691313468 has 12 divisors (see below), whose sum is σ = 20465855872. Its totient is φ = 5843926080.

The previous prime is 11691313451. The next prime is 11691313483. The reversal of 11691313468 is 86431319611.

It is a congruent 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, 417405 + ... + 444532.

Almost surely, 2^11691313468 is an apocalyptic number.

It is an amenable number.

11691313468 is a deficient number, since it is larger than the sum of its proper divisors (8774542404).

11691313468 is a wasteful number, since it uses less digits than its factorization.

11691313468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865332 (or 865330 counting only the distinct ones).

The product of its digits is 93312, while the sum is 43.

The spelling of 11691313468 in words is "eleven billion, six hundred ninety-one million, three hundred thirteen thousand, four hundred sixty-eight".