1131133243208 has 32 divisors (see below), whose sum is σ = 2172896492760. Its totient is φ = 551697899520.

The previous prime is 1131133243171. The next prime is 1131133243241. The reversal of 1131133243208 is 8023423311311.

It can be written as a sum of positive squares in 4 ways, for example, as 945060068164 + 186073175044 = 972142^2 + 431362^2 .

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, 2243360 + ... + 2700912.

Almost surely, 2^{1131133243208} is an apocalyptic number.

It is an amenable number.

1131133243208 is a deficient number, since it is larger than the sum of its proper divisors (1041763249552).

1131133243208 is a wasteful number, since it uses less digits than its factorization.

1131133243208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465137 (or 465133 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

Adding to 1131133243208 its reverse (8023423311311), we get a palindrome (9154556554519).

The spelling of 1131133243208 in words is "one trillion, one hundred thirty-one billion, one hundred thirty-three million, two hundred forty-three thousand, two hundred eight".