1131562216112 has 10 divisors (see below), whose sum is σ = 2192401793748. Its totient is φ = 565781108048.

The previous prime is 1131562216063. The next prime is 1131562216121. The reversal of 1131562216112 is 2116122651311.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35361319238 + ... + 35361319269.

Almost surely, 2^{1131562216112} is an apocalyptic number.

It is an amenable number.

1131562216112 is a deficient number, since it is larger than the sum of its proper divisors (1060839577636).

1131562216112 is an equidigital number, since it uses as much as digits as its factorization.

1131562216112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70722638515 (or 70722638509 counting only the distinct ones).

The product of its digits is 4320, while the sum is 32.

Adding to 1131562216112 its reverse (2116122651311), we get a palindrome (3247684867423).

The spelling of 1131562216112 in words is "one trillion, one hundred thirty-one billion, five hundred sixty-two million, two hundred sixteen thousand, one hundred twelve".