11929976968 has 64 divisors (see below), whose sum is σ = 28202267520. Its totient is φ = 4604428800.

The previous prime is 11929976963. The next prime is 11929976983. The reversal of 11929976968 is 86967992911.

It is a super-3 number, since 3×11929976968³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (11929976963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169998 + ... + 229693.

It is an arithmetic number, because the mean of its divisors is an integer number (440660430).

Almost surely, 2^11929976968 is an apocalyptic number.

It is an amenable number.

11929976968 is an abundant number, since it is smaller than the sum of its proper divisors (16272290552).

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

11929976968 is a wasteful number, since it uses less digits than its factorization.

11929976968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399758 (or 399754 counting only the distinct ones).

The product of its digits is 26453952, while the sum is 67.

The spelling of 11929976968 in words is "eleven billion, nine hundred twenty-nine million, nine hundred seventy-six thousand, nine hundred sixty-eight".