613120521316241 has 4 divisors (see below), whose sum is σ = 613120591416432. Its totient is φ = 613120451216052.

The previous prime is 613120521316189. The next prime is 613120521316301. The reversal of 613120521316241 is 142613125021316.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 613120521316241 - 2⁴⁶ = 542751777138577 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 613120521316195 and 613120521316204.

It is not an unprimeable number, because it can be changed into a prime (613120521396241) 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, 19685495 + ... + 40171628.

It is an arithmetic number, because the mean of its divisors is an integer number (153280147854108).

Almost surely, 2^{613120521316241} is an apocalyptic number.

It is an amenable number.

613120521316241 is a deficient number, since it is larger than the sum of its proper divisors (70100191).

613120521316241 is a wasteful number, since it uses less digits than its factorization.

613120521316241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70100190.

The product of its (nonzero) digits is 51840, while the sum is 38.

Adding to 613120521316241 its reverse (142613125021316), we get a palindrome (755733646337557).

The spelling of 613120521316241 in words is "six hundred thirteen trillion, one hundred twenty billion, five hundred twenty-one million, three hundred sixteen thousand, two hundred forty-one".