1131209788198 has 16 divisors (see below), whose sum is σ = 1939230637344. Its totient is φ = 484800730560.

The previous prime is 1131209788193. The next prime is 1131209788217. The reversal of 1131209788198 is 8918879021311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131209788193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3165738 + ... + 3504898.

It is an arithmetic number, because the mean of its divisors is an integer number (121201914834).

Almost surely, 2^{1131209788198} is an apocalyptic number.

1131209788198 is a deficient number, since it is larger than the sum of its proper divisors (808020849146).

1131209788198 is a wasteful number, since it uses less digits than its factorization.

1131209788198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577407.

The product of its (nonzero) digits is 1741824, while the sum is 58.

The spelling of 1131209788198 in words is "one trillion, one hundred thirty-one billion, two hundred nine million, seven hundred eighty-eight thousand, one hundred ninety-eight".