11578621008 has 40 divisors (see below), whose sum is σ = 30607057888. Its totient is φ = 3769782912.

The previous prime is 11578620983. The next prime is 11578621009. The reversal of 11578621008 is 80012687511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11578621009) 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, 2802835 + ... + 2806962.

Almost surely, 2^11578621008 is an apocalyptic number.

It is an amenable number.

11578621008 is an abundant number, since it is smaller than the sum of its proper divisors (19028436880).

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

11578621008 is a wasteful number, since it uses less digits than its factorization.

11578621008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5609851 (or 5609845 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 39.

The spelling of 11578621008 in words is "eleven billion, five hundred seventy-eight million, six hundred twenty-one thousand, eight".