13665150402000 has 320 divisors, whose sum is σ = 46401636962304. Its totient is φ = 3453024115200.

The previous prime is 13665150401999. The next prime is 13665150402031. The reversal of 13665150402000 is 20405156631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14303277 + ... + 15228723.

Almost surely, 2^{13665150402000} is an apocalyptic number.

13665150402000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13665150402000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23200818481152).

13665150402000 is an abundant number, since it is smaller than the sum of its proper divisors (32736486560304).

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

13665150402000 is a wasteful number, since it uses less digits than its factorization.

13665150402000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925603 (or 925587 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

Adding to 13665150402000 its reverse (20405156631), we get a palindrome (13685555558631).

The spelling of 13665150402000 in words is "thirteen trillion, six hundred sixty-five billion, one hundred fifty million, four hundred two thousand".