242015261513 has 8 divisors (see below), whose sum is σ = 243190811136. Its totient is φ = 240840518400.

The previous prime is 242015261437. The next prime is 242015261531. The reversal of 242015261513 is 315162510242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 242015261513 - 2²² = 242011067209 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 242015261513.

It is not an unprimeable number, because it can be changed into a prime (242015261713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404393 + ... + 804713.

It is an arithmetic number, because the mean of its divisors is an integer number (30398851392).

Almost surely, 2^242015261513 is an apocalyptic number.

It is an amenable number.

242015261513 is a deficient number, since it is larger than the sum of its proper divisors (1175549623).

242015261513 is a wasteful number, since it uses less digits than its factorization.

242015261513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403255.

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 242015261513 its reverse (315162510242), we get a palindrome (557177771755).

The spelling of 242015261513 in words is "two hundred forty-two billion, fifteen million, two hundred sixty-one thousand, five hundred thirteen".