It is a sphenic number, since it is the product of 3 distinct primes.
15061500565554 is an admirable number.
It is a Curzon number.
It is an unprimeable number.
Almost surely, 215061500565554 is an apocalyptic number.
15061500565554 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15061500565554 is a wasteful number, since it uses less digits than its factorization.
15061500565554 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2510250094264.
The spelling of 15061500565554 in words is "fifteen trillion, sixty-one billion, five hundred million, five hundred sixty-five thousand, five hundred fifty-four".