1205243410513 has 8 divisors (see below), whose sum is σ = 1228971272256. Its totient is φ = 1181703121200.

The previous prime is 1205243410507. The next prime is 1205243410523. The reversal of 1205243410513 is 3150143425021.

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 1205243410513 - 2²¹ = 1205241313361 is a prime.

It is a super-2 number, since 2×1205243410513² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1205243410523) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 46880131 + ... + 46905832.

It is an arithmetic number, because the mean of its divisors is an integer number (153621409032).

Almost surely, 2^{1205243410513} is an apocalyptic number.

It is an amenable number.

1205243410513 is a deficient number, since it is larger than the sum of its proper divisors (23727861743).

1205243410513 is an equidigital number, since it uses as much as digits as its factorization.

1205243410513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93786215.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 1205243410513 its reverse (3150143425021), we get a palindrome (4355386835534).

The spelling of 1205243410513 in words is "one trillion, two hundred five billion, two hundred forty-three million, four hundred ten thousand, five hundred thirteen".