617536012027261 has 8 divisors (see below), whose sum is σ = 621589688693280. Its totient is φ = 613487899779312.

The previous prime is 617536012027229. The next prime is 617536012027327. The reversal of 617536012027261 is 162720210635716.

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 617536012027261 - 2⁵ = 617536012027229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (617536012027861) 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 7 ways as a sum of consecutive naturals, for example, 1390881831 + ... + 1391325748.

It is an arithmetic number, because the mean of its divisors is an integer number (77698711086660).

Almost surely, 2^{617536012027261} is an apocalyptic number.

It is an amenable number.

617536012027261 is a deficient number, since it is larger than the sum of its proper divisors (4053676666019).

617536012027261 is a wasteful number, since it uses less digits than its factorization.

617536012027261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2782209035.

The product of its (nonzero) digits is 1270080, while the sum is 49.

The spelling of 617536012027261 in words is "six hundred seventeen trillion, five hundred thirty-six billion, twelve million, twenty-seven thousand, two hundred sixty-one".