11928822636 has 48 divisors (see below), whose sum is σ = 28267110144. Its totient is φ = 3914838336.

The previous prime is 11928822629. The next prime is 11928822671. The reversal of 11928822636 is 63622882911.

It is a super-2 number, since 2×11928822636² (a number of 21 digits) contains 22 as substring.

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, 185935 + ... + 241721.

It is an arithmetic number, because the mean of its divisors is an integer number (588898128).

Almost surely, 2^11928822636 is an apocalyptic number.

It is an amenable number.

11928822636 is an abundant number, since it is smaller than the sum of its proper divisors (16338287508).

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

11928822636 is a wasteful number, since it uses less digits than its factorization.

11928822636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56070 (or 56068 counting only the distinct ones).

The product of its digits is 497664, while the sum is 48.

The spelling of 11928822636 in words is "eleven billion, nine hundred twenty-eight million, eight hundred twenty-two thousand, six hundred thirty-six".