1112170161506 has 4 divisors (see below), whose sum is σ = 1668255242262. Its totient is φ = 556085080752.

The previous prime is 1112170161397. The next prime is 1112170161517. The reversal of 1112170161506 is 6051610712111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 740486065225 + 371684096281 = 860515^2 + 609659^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278042540375 + ... + 278042540378.

Almost surely, 2^{1112170161506} is an apocalyptic number.

1112170161506 is a deficient number, since it is larger than the sum of its proper divisors (556085080756).

1112170161506 is an equidigital number, since it uses as much as digits as its factorization.

1112170161506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556085080755.

The product of its (nonzero) digits is 2520, while the sum is 32.

Adding to 1112170161506 its reverse (6051610712111), we get a palindrome (7163780873617).

The spelling of 1112170161506 in words is "one trillion, one hundred twelve billion, one hundred seventy million, one hundred sixty-one thousand, five hundred six".