11955328678 has 8 divisors (see below), whose sum is σ = 17937084672. Its totient is φ = 5976300456.

The previous prime is 11955328673. The next prime is 11955328717. The reversal of 11955328678 is 87682355911.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11955328673) 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, 670950 + ... + 688537.

It is an arithmetic number, because the mean of its divisors is an integer number (2242135584).

Almost surely, 2^11955328678 is an apocalyptic number.

11955328678 is a deficient number, since it is larger than the sum of its proper divisors (5981755994).

11955328678 is a wasteful number, since it uses less digits than its factorization.

11955328678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363886.

The product of its digits is 3628800, while the sum is 55.

The spelling of 11955328678 in words is "eleven billion, nine hundred fifty-five million, three hundred twenty-eight thousand, six hundred seventy-eight".