111252165413 has 8 divisors (see below), whose sum is σ = 117147940800. Its totient is φ = 105360429888.

The previous prime is 111252165389. The next prime is 111252165419. The reversal of 111252165413 is 314561252111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111252165413 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 111252165413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111252165419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 953348 + ... + 1063661.

It is an arithmetic number, because the mean of its divisors is an integer number (14643492600).

Almost surely, 2^111252165413 is an apocalyptic number.

It is an amenable number.

111252165413 is a deficient number, since it is larger than the sum of its proper divisors (5895775387).

111252165413 is a wasteful number, since it uses less digits than its factorization.

111252165413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2019931.

The product of its digits is 7200, while the sum is 32.

The spelling of 111252165413 in words is "one hundred eleven billion, two hundred fifty-two million, one hundred sixty-five thousand, four hundred thirteen".