1181389299092 has 12 divisors (see below), whose sum is σ = 2123307794580. Its totient is φ = 574729929216.

The previous prime is 1181389299047. The next prime is 1181389299187. The reversal of 1181389299092 is 2909929831811.

It can be written as a sum of positive squares in 2 ways, for example, as 1119605236996 + 61784062096 = 1058114^2 + 248564^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3991179917 + ... + 3991180212.

It is an arithmetic number, because the mean of its divisors is an integer number (176942316215).

Almost surely, 2^{1181389299092} is an apocalyptic number.

It is an amenable number.

1181389299092 is a deficient number, since it is larger than the sum of its proper divisors (941918495488).

1181389299092 is a wasteful number, since it uses less digits than its factorization.

1181389299092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7982360170 (or 7982360168 counting only the distinct ones).

The product of its (nonzero) digits is 5038848, while the sum is 62.

The spelling of 1181389299092 in words is "one trillion, one hundred eighty-one billion, three hundred eighty-nine million, two hundred ninety-nine thousand, ninety-two".