617601611755 has 16 divisors (see below), whose sum is σ = 742982688000. Its totient is φ = 492841848960.

The previous prime is 617601611689. The next prime is 617601611849. The reversal of 617601611755 is 557116106716.

It is not a de Polignac number, because 617601611755 - 2²¹ = 617599514603 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4671046 + ... + 4801444.

It is an arithmetic number, because the mean of its divisors is an integer number (46436418000).

Almost surely, 2^617601611755 is an apocalyptic number.

617601611755 is a deficient number, since it is larger than the sum of its proper divisors (125381076245).

617601611755 is a wasteful number, since it uses less digits than its factorization.

617601611755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132774.

The product of its (nonzero) digits is 264600, while the sum is 46.

The spelling of 617601611755 in words is "six hundred seventeen billion, six hundred one million, six hundred eleven thousand, seven hundred fifty-five".