275661012233 has 4 divisors (see below), whose sum is σ = 276455424720. Its totient is φ = 274866599748.

The previous prime is 275661012229. The next prime is 275661012259. The reversal of 275661012233 is 332210166572.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 275661012233 - 2² = 275661012229 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (275661012283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 397205723 + ... + 397206416.

It is an arithmetic number, because the mean of its divisors is an integer number (69113856180).

Almost surely, 2^275661012233 is an apocalyptic number.

It is an amenable number.

275661012233 is a deficient number, since it is larger than the sum of its proper divisors (794412487).

275661012233 is an equidigital number, since it uses as much as digits as its factorization.

275661012233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794412486.

The product of its (nonzero) digits is 90720, while the sum is 38.

The spelling of 275661012233 in words is "two hundred seventy-five billion, six hundred sixty-one million, twelve thousand, two hundred thirty-three".