1098427194185 has 16 divisors (see below), whose sum is σ = 1385317019520. Its totient is φ = 834488561280.

The previous prime is 1098427194181. The next prime is 1098427194203. The reversal of 1098427194185 is 5814917248901.

It is not a de Polignac number, because 1098427194185 - 2² = 1098427194181 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1098427194181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34342076 + ... + 34374045.

It is an arithmetic number, because the mean of its divisors is an integer number (86582313720).

Almost surely, 2^{1098427194185} is an apocalyptic number.

It is an amenable number.

1098427194185 is a deficient number, since it is larger than the sum of its proper divisors (286889825335).

1098427194185 is a wasteful number, since it uses less digits than its factorization.

1098427194185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68716288.

The product of its (nonzero) digits is 5806080, while the sum is 59.

The spelling of 1098427194185 in words is "one trillion, ninety-eight billion, four hundred twenty-seven million, one hundred ninety-four thousand, one hundred eighty-five".