260611668101 has 2 divisors, whose sum is σ = 260611668102. Its totient is φ = 260611668100.

The previous prime is 260611667947. The next prime is 260611668113. The reversal of 260611668101 is 101866116062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 146536605601 + 114075062500 = 382801^2 + 337750^2 .

It is a cyclic number.

It is not a de Polignac number, because 260611668101 - 2²⁶ = 260544559237 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260611668131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130305834050 + 130305834051.

It is an arithmetic number, because the mean of its divisors is an integer number (130305834051).

Almost surely, 2^260611668101 is an apocalyptic number.

It is an amenable number.

260611668101 is a deficient number, since it is larger than the sum of its proper divisors (1).

260611668101 is an equidigital number, since it uses as much as digits as its factorization.

260611668101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 38.

The spelling of 260611668101 in words is "two hundred sixty billion, six hundred eleven million, six hundred sixty-eight thousand, one hundred one".