11929772986 has 8 divisors (see below), whose sum is σ = 18672688224. Its totient is φ = 5705543580.

The previous prime is 11929772957. The next prime is 11929773019. The reversal of 11929772986 is 68927792911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129671400 + ... + 129671491.

It is an arithmetic number, because the mean of its divisors is an integer number (2334086028).

Almost surely, 2^11929772986 is an apocalyptic number.

11929772986 is a deficient number, since it is larger than the sum of its proper divisors (6742915238).

11929772986 is a wasteful number, since it uses less digits than its factorization.

11929772986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259342916.

The product of its digits is 6858432, while the sum is 61.

The spelling of 11929772986 in words is "eleven billion, nine hundred twenty-nine million, seven hundred seventy-two thousand, nine hundred eighty-six".