15242270017 has 16 divisors (see below), whose sum is σ = 16551037440. Its totient is φ = 13953347712.

The previous prime is 15242269997. The next prime is 15242270027. The reversal of 15242270017 is 71007224251.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15242270017 is a prime.

It is a super-2 number, since 2×15242270017² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15242270027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1007493 + ... + 1022509.

It is an arithmetic number, because the mean of its divisors is an integer number (1034439840).

Almost surely, 2^15242270017 is an apocalyptic number.

It is an amenable number.

15242270017 is a deficient number, since it is larger than the sum of its proper divisors (1308767423).

15242270017 is a wasteful number, since it uses less digits than its factorization.

15242270017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15672.

The product of its (nonzero) digits is 7840, while the sum is 31.

Adding to 15242270017 its reverse (71007224251), we get a palindrome (86249494268).

The spelling of 15242270017 in words is "fifteen billion, two hundred forty-two million, two hundred seventy thousand, seventeen".