1198691795085 has 8 divisors (see below), whose sum is σ = 1917906872160. Its totient is φ = 639302290704.

The previous prime is 1198691795069. The next prime is 1198691795117. The reversal of 1198691795085 is 5805971968911.

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

It is not a de Polignac number, because 1198691795085 - 2⁴ = 1198691795069 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39956393155 + ... + 39956393184.

It is an arithmetic number, because the mean of its divisors is an integer number (239738359020).

Almost surely, 2^{1198691795085} is an apocalyptic number.

1198691795085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1198691795085 is a deficient number, since it is larger than the sum of its proper divisors (719215077075).

1198691795085 is an equidigital number, since it uses as much as digits as its factorization.

1198691795085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79912786347.

The product of its (nonzero) digits is 48988800, while the sum is 69.

The spelling of 1198691795085 in words is "one trillion, one hundred ninety-eight billion, six hundred ninety-one million, seven hundred ninety-five thousand, eighty-five".