611413505513 has 8 divisors (see below), whose sum is σ = 616511179200. Its totient is φ = 606329629200.

The previous prime is 611413505509. The next prime is 611413505557. The reversal of 611413505513 is 315505314116.

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 611413505513 - 2² = 611413505509 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (611413505413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3360338 + ... + 3537611.

It is an arithmetic number, because the mean of its divisors is an integer number (77063897400).

Almost surely, 2^611413505513 is an apocalyptic number.

It is an amenable number.

611413505513 is a deficient number, since it is larger than the sum of its proper divisors (5097673687).

611413505513 is a wasteful number, since it uses less digits than its factorization.

611413505513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6898687.

The product of its (nonzero) digits is 27000, while the sum is 35.

Adding to 611413505513 its reverse (315505314116), we get a palindrome (926918819629).

The spelling of 611413505513 in words is "six hundred eleven billion, four hundred thirteen million, five hundred five thousand, five hundred thirteen".