275995721201 has 2 divisors, whose sum is σ = 275995721202. Its totient is φ = 275995721200.

The previous prime is 275995721179. The next prime is 275995721219. The reversal of 275995721201 is 102127599572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 215184654400 + 60811066801 = 463880^2 + 246599^2 .

It is a cyclic number.

It is not a de Polignac number, because 275995721201 - 2¹⁰ = 275995720177 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 275995721201.

It is not a weakly prime, because it can be changed into another prime (275995721251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137997860600 + 137997860601.

It is an arithmetic number, because the mean of its divisors is an integer number (137997860601).

Almost surely, 2^275995721201 is an apocalyptic number.

It is an amenable number.

275995721201 is a deficient number, since it is larger than the sum of its proper divisors (1).

275995721201 is an equidigital number, since it uses as much as digits as its factorization.

275995721201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 793800, while the sum is 50.

The spelling of 275995721201 in words is "two hundred seventy-five billion, nine hundred ninety-five million, seven hundred twenty-one thousand, two hundred one".