11478229546 has 32 divisors (see below), whose sum is σ = 19740401280. Its totient is φ = 4903416000.

The previous prime is 11478229531. The next prime is 11478229571. The reversal of 11478229546 is 64592287411.

It is a super-2 number, since 2×11478229546² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 11478229546.

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, 10920721 + ... + 10921771.

It is an arithmetic number, because the mean of its divisors is an integer number (616887540).

Almost surely, 2^11478229546 is an apocalyptic number.

11478229546 is a deficient number, since it is larger than the sum of its proper divisors (8262171734).

11478229546 is a wasteful number, since it uses less digits than its factorization.

11478229546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2830.

The product of its digits is 967680, while the sum is 49.

The spelling of 11478229546 in words is "eleven billion, four hundred seventy-eight million, two hundred twenty-nine thousand, five hundred forty-six".