11112505645165 has 16 divisors (see below), whose sum is σ = 13914889809408. Its totient is φ = 8503421389056.

The previous prime is 11112505645123. The next prime is 11112505645183. The reversal of 11112505645165 is 56154650521111.

It is a cyclic number.

It is not a de Polignac number, because 11112505645165 - 2⁷ = 11112505645037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21822892 + ... + 22326298.

It is an arithmetic number, because the mean of its divisors is an integer number (869680613088).

Almost surely, 2^{11112505645165} is an apocalyptic number.

It is an amenable number.

11112505645165 is a deficient number, since it is larger than the sum of its proper divisors (2802384164243).

11112505645165 is a wasteful number, since it uses less digits than its factorization.

11112505645165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695388.

The product of its (nonzero) digits is 180000, while the sum is 43.

The spelling of 11112505645165 in words is "eleven trillion, one hundred twelve billion, five hundred five million, six hundred forty-five thousand, one hundred sixty-five".