1241005015013 has 4 divisors (see below), whose sum is σ = 1241022098988. Its totient is φ = 1240987931040.

The previous prime is 1241005014967. The next prime is 1241005015043. The reversal of 1241005015013 is 3105105001421.

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 345441834049 + 895563180964 = 587743^2 + 946342^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1241005015013 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 1241005015013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241005015043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8432558 + ... + 8578463.

It is an arithmetic number, because the mean of its divisors is an integer number (310255524747).

Almost surely, 2^{1241005015013} is an apocalyptic number.

It is an amenable number.

1241005015013 is a deficient number, since it is larger than the sum of its proper divisors (17083975).

1241005015013 is an equidigital number, since it uses as much as digits as its factorization.

1241005015013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17083974.

The product of its (nonzero) digits is 600, while the sum is 23.

The spelling of 1241005015013 in words is "one trillion, two hundred forty-one billion, five million, fifteen thousand, thirteen".