15040470717 has 16 divisors (see below), whose sum is σ = 22532544000. Its totient is φ = 9914316192.

The previous prime is 15040470691. The next prime is 15040470779. The reversal of 15040470717 is 71707404051.

It is not a de Polignac number, because 15040470717 - 2¹⁰ = 15040469693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15040470317) 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, 3127117 + ... + 3131922.

It is an arithmetic number, because the mean of its divisors is an integer number (1408284000).

Almost surely, 2^15040470717 is an apocalyptic number.

It is an amenable number.

15040470717 is a deficient number, since it is larger than the sum of its proper divisors (7492073283).

15040470717 is an equidigital number, since it uses as much as digits as its factorization.

15040470717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6259137 (or 6259131 counting only the distinct ones).

The product of its (nonzero) digits is 27440, while the sum is 36.

Adding to 15040470717 its reverse (71707404051), we get a palindrome (86747874768).

The spelling of 15040470717 in words is "fifteen billion, forty million, four hundred seventy thousand, seven hundred seventeen".