11578923056 has 10 divisors (see below), whose sum is σ = 22434163452. Its totient is φ = 5789461520.

The previous prime is 11578923017. The next prime is 11578923067. The reversal of 11578923056 is 65032987511.

It is a self number, because there is not a number n which added to its sum of digits gives 11578923056.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361841330 + ... + 361841361.

Almost surely, 2^11578923056 is an apocalyptic number.

11578923056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11578923056 is a deficient number, since it is larger than the sum of its proper divisors (10855240396).

11578923056 is an equidigital number, since it uses as much as digits as its factorization.

11578923056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723682699 (or 723682693 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 47.

The spelling of 11578923056 in words is "eleven billion, five hundred seventy-eight million, nine hundred twenty-three thousand, fifty-six".