10830078666891 has 72 divisors (see below), whose sum is σ = 17944377534720. Its totient is φ = 6277637609760.

The previous prime is 10830078666887. The next prime is 10830078666893. The reversal of 10830078666891 is 19866687003801.

It is not a de Polignac number, because 10830078666891 - 2² = 10830078666887 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10830078666893) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 328775500 + ... + 328808438.

It is an arithmetic number, because the mean of its divisors is an integer number (249227465760).

Almost surely, 2^{10830078666891} is an apocalyptic number.

10830078666891 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10830078666891 is a deficient number, since it is larger than the sum of its proper divisors (7114298867829).

10830078666891 is a wasteful number, since it uses less digits than its factorization.

10830078666891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46117 (or 46103 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 63.

The spelling of 10830078666891 in words is "ten trillion, eight hundred thirty billion, seventy-eight million, six hundred sixty-six thousand, eight hundred ninety-one".