15217010042 has 32 divisors (see below), whose sum is σ = 24950528064. Its totient is φ = 6918537600.

The previous prime is 15217010033. The next prime is 15217010047. The reversal of 15217010042 is 24001071251.

It is not an unprimeable number, because it can be changed into a prime (15217010047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 450317 + ... + 482927.

It is an arithmetic number, because the mean of its divisors is an integer number (779704002).

Almost surely, 2^15217010042 is an apocalyptic number.

15217010042 is a deficient number, since it is larger than the sum of its proper divisors (9733518022).

15217010042 is a wasteful number, since it uses less digits than its factorization.

15217010042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32894.

The product of its (nonzero) digits is 560, while the sum is 23.

Adding to 15217010042 its reverse (24001071251), we get a palindrome (39218081293).

The spelling of 15217010042 in words is "fifteen billion, two hundred seventeen million, ten thousand, forty-two".