15005166655556 has 96 divisors (see below), whose sum is σ = 33286742130432. Its totient is φ = 5749044387840.

The previous prime is 15005166655553. The next prime is 15005166655579. The reversal of 15005166655556 is 65555666150051.

It is a super-2 number, since 2×15005166655556² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15005166655553) 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 31 ways as a sum of consecutive naturals, for example, 3091016 + ... + 6290048.

It is an arithmetic number, because the mean of its divisors is an integer number (346736897192).

Almost surely, 2^{15005166655556} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15005166655556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16643371065216).

15005166655556 is an abundant number, since it is smaller than the sum of its proper divisors (18281575474876).

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

15005166655556 is a wasteful number, since it uses less digits than its factorization.

15005166655556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3199309 (or 3199307 counting only the distinct ones).

The product of its (nonzero) digits is 20250000, while the sum is 56.

The spelling of 15005166655556 in words is "fifteen trillion, five billion, one hundred sixty-six million, six hundred fifty-five thousand, five hundred fifty-six".