11478919067 has 16 divisors (see below), whose sum is σ = 14492544000. Its totient is φ = 8831384640.

The previous prime is 11478919043. The next prime is 11478919073. The reversal of 11478919067 is 76091987411.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11478919067 - 2³⁰ = 10405177243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11478915067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 937442 + ... + 949607.

It is an arithmetic number, because the mean of its divisors is an integer number (905784000).

Almost surely, 2^11478919067 is an apocalyptic number.

11478919067 is a deficient number, since it is larger than the sum of its proper divisors (3013624933).

11478919067 is a wasteful number, since it uses less digits than its factorization.

11478919067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1887146.

The product of its (nonzero) digits is 762048, while the sum is 53.

The spelling of 11478919067 in words is "eleven billion, four hundred seventy-eight million, nine hundred nineteen thousand, sixty-seven".