11427865168 has 20 divisors (see below), whose sum is σ = 22149430560. Its totient is φ = 5711883104.

The previous prime is 11427865139. The next prime is 11427865199. The reversal of 11427865168 is 86156872411.

It is a super-2 number, since 2×11427865168² (a number of 21 digits) contains 22 as substring.

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, 81580 + ... + 171787.

It is an arithmetic number, because the mean of its divisors is an integer number (1107471528).

Almost surely, 2^11427865168 is an apocalyptic number.

It is an amenable number.

11427865168 is a deficient number, since it is larger than the sum of its proper divisors (10721565392).

11427865168 is a wasteful number, since it uses less digits than its factorization.

11427865168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256194 (or 256188 counting only the distinct ones).

The product of its digits is 645120, while the sum is 49.

The spelling of 11427865168 in words is "eleven billion, four hundred twenty-seven million, eight hundred sixty-five thousand, one hundred sixty-eight".