1129108685992 has 48 divisors (see below), whose sum is σ = 2470746468960. Its totient is φ = 482327437536.

The previous prime is 1129108685981. The next prime is 1129108686007. The reversal of 1129108685992 is 2995868019211.

It is a self number, because there is not a number n which added to its sum of digits gives 1129108685992.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4570828 + ... + 4811515.

It is an arithmetic number, because the mean of its divisors is an integer number (51473884770).

Almost surely, 2^{1129108685992} is an apocalyptic number.

It is an amenable number.

1129108685992 is an abundant number, since it is smaller than the sum of its proper divisors (1341637782968).

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

1129108685992 is a wasteful number, since it uses less digits than its factorization.

1129108685992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9382670 (or 9382659 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 61.

The spelling of 1129108685992 in words is "one trillion, one hundred twenty-nine billion, one hundred eight million, six hundred eighty-five thousand, nine hundred ninety-two".