1112213651065 has 8 divisors (see below), whose sum is σ = 1455988779648. Its totient is φ = 808882655280.

The previous prime is 1112213651063. The next prime is 1112213651099. The reversal of 1112213651065 is 5601563122111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1112213651065 - 2¹ = 1112213651063 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1112213651065.

It is not an unprimeable number, because it can be changed into a prime (1112213651063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10111033137 + ... + 10111033246.

It is an arithmetic number, because the mean of its divisors is an integer number (181998597456).

Almost surely, 2^{1112213651065} is an apocalyptic number.

It is an amenable number.

1112213651065 is a deficient number, since it is larger than the sum of its proper divisors (343775128583).

1112213651065 is a wasteful number, since it uses less digits than its factorization.

1112213651065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20222066399.

The product of its (nonzero) digits is 10800, while the sum is 34.

Adding to 1112213651065 its reverse (5601563122111), we get a palindrome (6713776773176).

The spelling of 1112213651065 in words is "one trillion, one hundred twelve billion, two hundred thirteen million, six hundred fifty-one thousand, sixty-five".