1198144286798 has 48 divisors (see below), whose sum is σ = 1959885111744. Its totient is φ = 548974510080.

The previous prime is 1198144286797. The next prime is 1198144286809. The reversal of 1198144286798 is 8976824418911.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1198144286797) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5128778 + ... + 5357298.

It is an arithmetic number, because the mean of its divisors is an integer number (40830939828).

Almost surely, 2^{1198144286798} is an apocalyptic number.

1198144286798 is a deficient number, since it is larger than the sum of its proper divisors (761740824946).

1198144286798 is a wasteful number, since it uses less digits than its factorization.

1198144286798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228797 (or 228780 counting only the distinct ones).

The product of its digits is 55738368, while the sum is 68.

The spelling of 1198144286798 in words is "one trillion, one hundred ninety-eight billion, one hundred forty-four million, two hundred eighty-six thousand, seven hundred ninety-eight".