165012531112000 has 224 divisors, whose sum is σ = 480096462029184. Its totient is φ = 55388821248000.

The previous prime is 165012531111973. The next prime is 165012531112003. The reversal of 165012531112000 is 211135210561.

It is a self number, because there is not a number n which added to its sum of digits gives 165012531112000.

It is not an unprimeable number, because it can be changed into a prime (165012531112003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70976862 + ... + 73264861.

It is an arithmetic number, because the mean of its divisors is an integer number (2143287776916).

Almost surely, 2^{165012531112000} is an apocalyptic number.

165012531112000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165012531112000 is an abundant number, since it is smaller than the sum of its proper divisors (315083930917184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165012531112000 is a wasteful number, since it uses less digits than its factorization.

165012531112000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144241774 (or 144241754 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 28.

Adding to 165012531112000 its reverse (211135210561), we get a palindrome (165223666322561).

The spelling of 165012531112000 in words is "one hundred sixty-five trillion, twelve billion, five hundred thirty-one million, one hundred twelve thousand".