275022221105661 has 8 divisors (see below), whose sum is σ = 367126184957280. Its totient is φ = 183133202328912.

The previous prime is 275022221105647. The next prime is 275022221105693. The reversal of 275022221105661 is 166501122220572.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 275022221105661 - 2⁵ = 275022221105629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275022221105161) 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, 53736265731 + ... + 53736270848.

It is an arithmetic number, because the mean of its divisors is an integer number (45890773119660).

Almost surely, 2^{275022221105661} is an apocalyptic number.

It is an amenable number.

275022221105661 is a deficient number, since it is larger than the sum of its proper divisors (92103963851619).

275022221105661 is a wasteful number, since it uses less digits than its factorization.

275022221105661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107472537435.

The product of its (nonzero) digits is 201600, while the sum is 42.

The spelling of 275022221105661 in words is "two hundred seventy-five trillion, twenty-two billion, two hundred twenty-one million, one hundred five thousand, six hundred sixty-one".