15005500066 has 8 divisors (see below), whose sum is σ = 22511134800. Its totient is φ = 7501788468.

The previous prime is 15005500063. The next prime is 15005500067. The reversal of 15005500066 is 66000550051.

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

It is not an unprimeable number, because it can be changed into a prime (15005500063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 461116 + ... + 492583.

It is an arithmetic number, because the mean of its divisors is an integer number (2813891850).

Almost surely, 2^15005500066 is an apocalyptic number.

15005500066 is a deficient number, since it is larger than the sum of its proper divisors (7505634734).

15005500066 is an equidigital number, since it uses as much as digits as its factorization.

15005500066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961568.

The product of its (nonzero) digits is 4500, while the sum is 28.

The spelling of 15005500066 in words is "fifteen billion, five million, five hundred thousand, sixty-six".