11546478146 has 16 divisors (see below), whose sum is σ = 19858445376. Its totient is φ = 4932369936.

The previous prime is 11546478143. The next prime is 11546478169. The reversal of 11546478146 is 64187464511.

It is a self number, because there is not a number n which added to its sum of digits gives 11546478146.

It is not an unprimeable number, because it can be changed into a prime (11546478143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1338941 + ... + 1347536.

It is an arithmetic number, because the mean of its divisors is an integer number (1241152836).

Almost surely, 2^11546478146 is an apocalyptic number.

11546478146 is a deficient number, since it is larger than the sum of its proper divisors (8311967230).

11546478146 is a wasteful number, since it uses less digits than its factorization.

11546478146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2686793.

The product of its digits is 645120, while the sum is 47.

The spelling of 11546478146 in words is "eleven billion, five hundred forty-six million, four hundred seventy-eight thousand, one hundred forty-six".