15242340241 has 4 divisors (see below), whose sum is σ = 15260771952. Its totient is φ = 15223908532.

The previous prime is 15242340221. The next prime is 15242340283. The reversal of 15242340241 is 14204324251.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 15242340241 - 2²¹ = 15240243089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15242340221) 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, 9214615 + ... + 9216268.

It is an arithmetic number, because the mean of its divisors is an integer number (3815192988).

Almost surely, 2^15242340241 is an apocalyptic number.

It is an amenable number.

15242340241 is a deficient number, since it is larger than the sum of its proper divisors (18431711).

15242340241 is an equidigital number, since it uses as much as digits as its factorization.

15242340241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18431710.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 15242340241 its reverse (14204324251), we get a palindrome (29446664492).

The spelling of 15242340241 in words is "fifteen billion, two hundred forty-two million, three hundred forty thousand, two hundred forty-one".