265802011 has 2 divisors, whose sum is σ = 265802012. Its totient is φ = 265802010.

The previous prime is 265801957. The next prime is 265802051. The reversal of 265802011 is 110208562.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 265802011 - 2¹⁵ = 265769243 is a prime.

It is not a weakly prime, because it can be changed into another prime (265802051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132901005 + 132901006.

It is an arithmetic number, because the mean of its divisors is an integer number (132901006).

Almost surely, 2^265802011 is an apocalyptic number.

265802011 is a deficient number, since it is larger than the sum of its proper divisors (1).

265802011 is an equidigital number, since it uses as much as digits as its factorization.

265802011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 265802011 is about 16303.4355581883. The cubic root of 265802011 is about 642.9631565857.

The spelling of 265802011 in words is "two hundred sixty-five million, eight hundred two thousand, eleven".