11578454128 has 40 divisors (see below), whose sum is σ = 22680195200. Its totient is φ = 5725646784.

The previous prime is 11578454123. The next prime is 11578454191. The reversal of 11578454128 is 82145487511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11578454123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1411543 + ... + 1419721.

It is an arithmetic number, because the mean of its divisors is an integer number (567004880).

Almost surely, 2^11578454128 is an apocalyptic number.

It is an amenable number.

11578454128 is a deficient number, since it is larger than the sum of its proper divisors (11101741072).

11578454128 is a wasteful number, since it uses less digits than its factorization.

11578454128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9149 (or 9143 counting only the distinct ones).

The product of its digits is 358400, while the sum is 46.

The spelling of 11578454128 in words is "eleven billion, five hundred seventy-eight million, four hundred fifty-four thousand, one hundred twenty-eight".