241312155215513 has 4 divisors (see below), whose sum is σ = 241319260816308. Its totient is φ = 241305049614720.

The previous prime is 241312155215503. The next prime is 241312155215533. The reversal of 241312155215513 is 315512551213142.

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

It can be written as a sum of positive squares in 2 ways, for example, as 36537285873664 + 204774869341849 = 6044608^2 + 14309957^2 .

It is a cyclic number.

It is not a de Polignac number, because 241312155215513 - 2⁶ = 241312155215449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (241312155215503) 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, 3552749456 + ... + 3552817377.

It is an arithmetic number, because the mean of its divisors is an integer number (60329815204077).

Almost surely, 2^{241312155215513} is an apocalyptic number.

It is an amenable number.

241312155215513 is a deficient number, since it is larger than the sum of its proper divisors (7105600795).

241312155215513 is an equidigital number, since it uses as much as digits as its factorization.

241312155215513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7105600794.

The product of its digits is 180000, while the sum is 41.

The spelling of 241312155215513 in words is "two hundred forty-one trillion, three hundred twelve billion, one hundred fifty-five million, two hundred fifteen thousand, five hundred thirteen".