11584313478 has 12 divisors (see below), whose sum is σ = 25099345908. Its totient is φ = 3861437820.

The previous prime is 11584313431. The next prime is 11584313527. The reversal of 11584313478 is 87431348511.

11584313478 is a `hidden beast` number, since 1 + 1 + 584 + 31 + 34 + 7 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 321786468 + ... + 321786503.

It is an arithmetic number, because the mean of its divisors is an integer number (2091612159).

Almost surely, 2^11584313478 is an apocalyptic number.

11584313478 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11584313478 is an abundant number, since it is smaller than the sum of its proper divisors (13515032430).

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

11584313478 is a wasteful number, since it uses less digits than its factorization.

11584313478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643572979 (or 643572976 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The spelling of 11584313478 in words is "eleven billion, five hundred eighty-four million, three hundred thirteen thousand, four hundred seventy-eight".