1198660940259 has 8 divisors (see below), whose sum is σ = 1653325434960. Its totient is φ = 771551869536.

The previous prime is 1198660940251. The next prime is 1198660940261. The reversal of 1198660940259 is 9520490668911.

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

It is not a de Polignac number, because 1198660940259 - 2³ = 1198660940251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1198660940251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6888855892 + ... + 6888856065.

It is an arithmetic number, because the mean of its divisors is an integer number (206665679370).

Almost surely, 2^{1198660940259} is an apocalyptic number.

1198660940259 is a deficient number, since it is larger than the sum of its proper divisors (454664494701).

1198660940259 is a wasteful number, since it uses less digits than its factorization.

1198660940259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13777711989.

The product of its (nonzero) digits is 8398080, while the sum is 60.

The spelling of 1198660940259 in words is "one trillion, one hundred ninety-eight billion, six hundred sixty million, nine hundred forty thousand, two hundred fifty-nine".