11267978765896 has 16 divisors (see below), whose sum is σ = 21382007900400. Its totient is φ = 5566109992464.

The previous prime is 11267978765863. The next prime is 11267978765921. The reversal of 11267978765896 is 69856787976211.

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, 8484923106 + ... + 8484924433.

It is an arithmetic number, because the mean of its divisors is an integer number (1336375493775).

Almost surely, 2^{11267978765896} is an apocalyptic number.

It is an amenable number.

11267978765896 is a deficient number, since it is larger than the sum of its proper divisors (10114029134504).

11267978765896 is a wasteful number, since it uses less digits than its factorization.

11267978765896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16969847628 (or 16969847624 counting only the distinct ones).

The product of its digits is 3840721920, while the sum is 82.

The spelling of 11267978765896 in words is "eleven trillion, two hundred sixty-seven billion, nine hundred seventy-eight million, seven hundred sixty-five thousand, eight hundred ninety-six".