15085242866 has 8 divisors (see below), whose sum is σ = 22641234924. Its totient is φ = 7538164560.

The previous prime is 15085242863. The next prime is 15085242883. The reversal of 15085242866 is 66824258051.

It can be written as a sum of positive squares in 2 ways, for example, as 13254686641 + 1830556225 = 115129^2 + 42785^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 15085242866.

It is not an unprimeable number, because it can be changed into a prime (15085242863) 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, 2224205 + ... + 2230976.

Almost surely, 2^15085242866 is an apocalyptic number.

15085242866 is a deficient number, since it is larger than the sum of its proper divisors (7555992058).

15085242866 is a wasteful number, since it uses less digits than its factorization.

15085242866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4456876.

The product of its (nonzero) digits is 921600, while the sum is 47.

The spelling of 15085242866 in words is "fifteen billion, eighty-five million, two hundred forty-two thousand, eight hundred sixty-six".