275050327081 has 2 divisors, whose sum is σ = 275050327082. Its totient is φ = 275050327080.

The previous prime is 275050327067. The next prime is 275050327091. The reversal of 275050327081 is 180723050572.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 238086419481 + 36963907600 = 487941^2 + 192260^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-275050327081 is a prime.

It is a super-2 number, since 2×275050327081² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (275050327031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137525163540 + 137525163541.

It is an arithmetic number, because the mean of its divisors is an integer number (137525163541).

Almost surely, 2^275050327081 is an apocalyptic number.

It is an amenable number.

275050327081 is a deficient number, since it is larger than the sum of its proper divisors (1).

275050327081 is an equidigital number, since it uses as much as digits as its factorization.

275050327081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 117600, while the sum is 40.

The spelling of 275050327081 in words is "two hundred seventy-five billion, fifty million, three hundred twenty-seven thousand, eighty-one".