11484474978 has 32 divisors (see below), whose sum is σ = 23114145600. Its totient is φ = 3803993280.

The previous prime is 11484474949. The next prime is 11484474983. The reversal of 11484474978 is 87947448411.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1678801 + ... + 1685627.

It is an arithmetic number, because the mean of its divisors is an integer number (722317050).

Almost surely, 2^11484474978 is an apocalyptic number.

11484474978 is an abundant number, since it is smaller than the sum of its proper divisors (11629670622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11484474978 is a wasteful number, since it uses less digits than its factorization.

11484474978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8562.

The product of its digits is 7225344, while the sum is 57.

The spelling of 11484474978 in words is "eleven billion, four hundred eighty-four million, four hundred seventy-four thousand, nine hundred seventy-eight".