260060276161261 has 2 divisors, whose sum is σ = 260060276161262. Its totient is φ = 260060276161260.

The previous prime is 260060276161249. The next prime is 260060276161289. The reversal of 260060276161261 is 162161672060062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 225828942091236 + 34231334070025 = 15027606^2 + 5850755^2 .

It is a cyclic number.

It is not a de Polignac number, because 260060276161261 - 2²¹ = 260060274064109 is a prime.

It is a super-2 number, since 2×260060276161261² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260060276161211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130030138080630 + 130030138080631.

It is an arithmetic number, because the mean of its divisors is an integer number (130030138080631).

Almost surely, 2^{260060276161261} is an apocalyptic number.

It is an amenable number.

260060276161261 is a deficient number, since it is larger than the sum of its proper divisors (1).

260060276161261 is an equidigital number, since it uses as much as digits as its factorization.

260060276161261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 46.

The spelling of 260060276161261 in words is "two hundred sixty trillion, sixty billion, two hundred seventy-six million, one hundred sixty-one thousand, two hundred sixty-one".