275304276137661 has 16 divisors (see below), whose sum is σ = 374882985513984. Its totient is φ = 179630887238064.

The previous prime is 275304276137629. The next prime is 275304276137669. The reversal of 275304276137661 is 166731672403572.

It is not a de Polignac number, because 275304276137661 - 2⁵ = 275304276137629 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 275304276137595 and 275304276137604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275304276137669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139976466 + ... + 141929628.

It is an arithmetic number, because the mean of its divisors is an integer number (23430186594624).

Almost surely, 2^{275304276137661} is an apocalyptic number.

It is an amenable number.

275304276137661 is a deficient number, since it is larger than the sum of its proper divisors (99578709376323).

275304276137661 is a wasteful number, since it uses less digits than its factorization.

275304276137661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2952880.

The product of its (nonzero) digits is 53343360, while the sum is 60.

The spelling of 275304276137661 in words is "two hundred seventy-five trillion, three hundred four billion, two hundred seventy-six million, one hundred thirty-seven thousand, six hundred sixty-one".