1255365011 has 2 divisors, whose sum is σ = 1255365012. Its totient is φ = 1255365010.

The previous prime is 1255364977. The next prime is 1255365029. The reversal of 1255365011 is 1105635521.

It is a strong prime.

It is an emirp because it is prime and its reverse (1105635521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1255365011 - 2¹⁰ = 1255363987 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1255365211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627682505 + 627682506.

It is an arithmetic number, because the mean of its divisors is an integer number (627682506).

Almost surely, 2^1255365011 is an apocalyptic number.

1255365011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1255365011 is an equidigital number, since it uses as much as digits as its factorization.

1255365011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 1255365011 is about 35431.1305351664. The cubic root of 1255365011 is about 1078.7562875013.

The spelling of 1255365011 in words is "one billion, two hundred fifty-five million, three hundred sixty-five thousand, eleven".