2065261511 has 2 divisors, whose sum is σ = 2065261512. Its totient is φ = 2065261510.

The previous prime is 2065261489. The next prime is 2065261519. The reversal of 2065261511 is 1151625602.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2065261511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2065261519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1032630755 + 1032630756.

It is an arithmetic number, because the mean of its divisors is an integer number (1032630756).

Almost surely, 2^2065261511 is an apocalyptic number.

2065261511 is a deficient number, since it is larger than the sum of its proper divisors (1).

2065261511 is an equidigital number, since it uses as much as digits as its factorization.

2065261511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 2065261511 is about 45445.1483769170. The cubic root of 2065261511 is about 1273.4786952840.

The spelling of 2065261511 in words is "two billion, sixty-five million, two hundred sixty-one thousand, five hundred eleven".