1000198854901 has 8 divisors (see below), whose sum is σ = 1005255627200. Its totient is φ = 995142389472.

The previous prime is 1000198854899. The next prime is 1000198854911. The reversal of 1000198854901 is 1094588910001.

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

It is a cyclic number.

It is not a de Polignac number, because 1000198854901 - 2¹ = 1000198854899 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000198854911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9412201 + ... + 9517873.

It is an arithmetic number, because the mean of its divisors is an integer number (125656953400).

Almost surely, 2^{1000198854901} is an apocalyptic number.

It is an amenable number.

1000198854901 is a deficient number, since it is larger than the sum of its proper divisors (5056772299).

1000198854901 is a wasteful number, since it uses less digits than its factorization.

1000198854901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153435.

The product of its (nonzero) digits is 103680, while the sum is 46.

The spelling of 1000198854901 in words is "one trillion, one hundred ninety-eight million, eight hundred fifty-four thousand, nine hundred one".