275520243637579 has 2 divisors, whose sum is σ = 275520243637580. Its totient is φ = 275520243637578.

The previous prime is 275520243637489. The next prime is 275520243637589. The reversal of 275520243637579 is 975736342025572.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 275520243637579 - 2²⁷ = 275520109419851 is a prime.

It is a super-3 number, since 3×275520243637579³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (275520243637589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137760121818789 + 137760121818790.

It is an arithmetic number, because the mean of its divisors is an integer number (137760121818790).

Almost surely, 2^{275520243637579} is an apocalyptic number.

275520243637579 is a deficient number, since it is larger than the sum of its proper divisors (1).

275520243637579 is an equidigital number, since it uses as much as digits as its factorization.

275520243637579 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 666792000, while the sum is 67.

The spelling of 275520243637579 in words is "two hundred seventy-five trillion, five hundred twenty billion, two hundred forty-three million, six hundred thirty-seven thousand, five hundred seventy-nine".