1193998557099 has 16 divisors (see below), whose sum is σ = 1675909630080. Its totient is φ = 754049370240.

The previous prime is 1193998557083. The next prime is 1193998557109. The reversal of 1193998557099 is 9907558993911.

It is not a de Polignac number, because 1193998557099 - 2⁴ = 1193998557083 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1193998557099.

It is not an unprimeable number, because it can be changed into a prime (1193998557299) 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, 32224 + ... + 1545650.

It is an arithmetic number, because the mean of its divisors is an integer number (104744351880).

Almost surely, 2^{1193998557099} is an apocalyptic number.

1193998557099 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1193998557099 is a deficient number, since it is larger than the sum of its proper divisors (481911072981).

1193998557099 is a wasteful number, since it uses less digits than its factorization.

1193998557099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1527290.

The product of its (nonzero) digits is 248005800, while the sum is 75.

The spelling of 1193998557099 in words is "one trillion, one hundred ninety-three billion, nine hundred ninety-eight million, five hundred fifty-seven thousand, ninety-nine".