275079720101 has 2 divisors, whose sum is σ = 275079720102. Its totient is φ = 275079720100.

The previous prime is 275079720053. The next prime is 275079720109. The reversal of 275079720101 is 101027970572.

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., 189028431076 + 86051289025 = 434774^2 + 293345^2 .

It is a cyclic number.

It is not a de Polignac number, because 275079720101 - 2⁶ = 275079720037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (275079720109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137539860050 + 137539860051.

It is an arithmetic number, because the mean of its divisors is an integer number (137539860051).

Almost surely, 2^275079720101 is an apocalyptic number.

It is an amenable number.

275079720101 is a deficient number, since it is larger than the sum of its proper divisors (1).

275079720101 is an equidigital number, since it uses as much as digits as its factorization.

275079720101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61740, while the sum is 41.

The spelling of 275079720101 in words is "two hundred seventy-five billion, seventy-nine million, seven hundred twenty thousand, one hundred one".