1101000999868 has 96 divisors (see below), whose sum is σ = 2406993297408. Its totient is φ = 428103748800.

The previous prime is 1101000999841. The next prime is 1101000999869. The reversal of 1101000999868 is 8689990001011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101000999869) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 554101171 + ... + 554103157.

It is an arithmetic number, because the mean of its divisors is an integer number (25072846848).

Almost surely, 2^{1101000999868} is an apocalyptic number.

It is an amenable number.

1101000999868 is an abundant number, since it is smaller than the sum of its proper divisors (1305992297540).

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

1101000999868 is a wasteful number, since it uses less digits than its factorization.

1101000999868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4703 (or 4701 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 52.

The spelling of 1101000999868 in words is "one trillion, one hundred one billion, nine hundred ninety-nine thousand, eight hundred sixty-eight".