15240052015 has 16 divisors (see below), whose sum is σ = 19039214880. Its totient is φ = 11696630400.

The previous prime is 15240052013. The next prime is 15240052027. The reversal of 15240052015 is 51025004251.

It is not a de Polignac number, because 15240052015 - 2¹ = 15240052013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15240052013) 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, 311961 + ... + 357490.

It is an arithmetic number, because the mean of its divisors is an integer number (1189950930).

Almost surely, 2^15240052015 is an apocalyptic number.

15240052015 is a deficient number, since it is larger than the sum of its proper divisors (3799162865).

15240052015 is a wasteful number, since it uses less digits than its factorization.

15240052015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669642.

The product of its (nonzero) digits is 2000, while the sum is 25.

Adding to 15240052015 its reverse (51025004251), we get a palindrome (66265056266).

The spelling of 15240052015 in words is "fifteen billion, two hundred forty million, fifty-two thousand, fifteen".