1198763188117 has 16 divisors (see below), whose sum is σ = 1310337741312. Its totient is φ = 1087623374320.

The previous prime is 1198763188097. The next prime is 1198763188121. The reversal of 1198763188117 is 7118813678911.

It is a cyclic number.

It is not a de Polignac number, because 1198763188117 - 2⁷ = 1198763187989 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 (1198763188177) 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, 11839368 + ... + 11940190.

It is an arithmetic number, because the mean of its divisors is an integer number (81896108832).

Almost surely, 2^{1198763188117} is an apocalyptic number.

It is an amenable number.

1198763188117 is a deficient number, since it is larger than the sum of its proper divisors (111574553195).

1198763188117 is a wasteful number, since it uses less digits than its factorization.

1198763188117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102968.

The product of its digits is 4064256, while the sum is 61.

The spelling of 1198763188117 in words is "one trillion, one hundred ninety-eight billion, seven hundred sixty-three million, one hundred eighty-eight thousand, one hundred seventeen".