242761241616515 has 4 divisors (see below), whose sum is σ = 291313489939824. Its totient is φ = 194208993293208.

The previous prime is 242761241616479. The next prime is 242761241616577. The reversal of 242761241616515 is 515616142167242.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 242761241616515 - 2²⁶ = 242761174507651 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24276124161647 + ... + 24276124161656.

It is an arithmetic number, because the mean of its divisors is an integer number (72828372484956).

Almost surely, 2^{242761241616515} is an apocalyptic number.

242761241616515 is a deficient number, since it is larger than the sum of its proper divisors (48552248323309).

242761241616515 is an equidigital number, since it uses as much as digits as its factorization.

242761241616515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48552248323308.

The product of its digits is 4838400, while the sum is 53.

The spelling of 242761241616515 in words is "two hundred forty-two trillion, seven hundred sixty-one billion, two hundred forty-one million, six hundred sixteen thousand, five hundred fifteen".