270260625551561 has 2 divisors, whose sum is σ = 270260625551562. Its totient is φ = 270260625551560.

The previous prime is 270260625551519. The next prime is 270260625551593. The reversal of 270260625551561 is 165155526062072.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 191504940237961 + 78755685313600 = 13838531^2 + 8874440^2 .

It is a cyclic number.

It is not a de Polignac number, because 270260625551561 - 2¹⁰ = 270260625550537 is a prime.

It is not a weakly prime, because it can be changed into another prime (270260625557561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135130312775780 + 135130312775781.

It is an arithmetic number, because the mean of its divisors is an integer number (135130312775781).

Almost surely, 2^{270260625551561} is an apocalyptic number.

It is an amenable number.

270260625551561 is a deficient number, since it is larger than the sum of its proper divisors (1).

270260625551561 is an equidigital number, since it uses as much as digits as its factorization.

270260625551561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560000, while the sum is 53.

The spelling of 270260625551561 in words is "two hundred seventy trillion, two hundred sixty billion, six hundred twenty-five million, five hundred fifty-one thousand, five hundred sixty-one".