611350216675561 has 8 divisors (see below), whose sum is σ = 666953742639744. Its totient is φ = 555751062967920.

The previous prime is 611350216675547. The next prime is 611350216675571. The reversal of 611350216675561 is 165576612053116.

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 611350216675561 - 2⁷ = 611350216675433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (611350216675571) 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, 1092771766 + ... + 1093331071.

It is an arithmetic number, because the mean of its divisors is an integer number (83369217829968).

Almost surely, 2^{611350216675561} is an apocalyptic number.

It is an amenable number.

611350216675561 is a deficient number, since it is larger than the sum of its proper divisors (55603525964183).

611350216675561 is a wasteful number, since it uses less digits than its factorization.

611350216675561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2186128271.

The product of its (nonzero) digits is 6804000, while the sum is 55.

The spelling of 611350216675561 in words is "six hundred eleven trillion, three hundred fifty billion, two hundred sixteen million, six hundred seventy-five thousand, five hundred sixty-one".