2111315263 has 2 divisors, whose sum is σ = 2111315264. Its totient is φ = 2111315262.

The previous prime is 2111315257. The next prime is 2111315267. The reversal of 2111315263 is 3625131112.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2111315263 - 2⁵ = 2111315231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2111315267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055657631 + 1055657632.

It is an arithmetic number, because the mean of its divisors is an integer number (1055657632).

Almost surely, 2^2111315263 is an apocalyptic number.

2111315263 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111315263 is an equidigital number, since it uses as much as digits as its factorization.

2111315263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1080, while the sum is 25.

The square root of 2111315263 is about 45949.0507301293. The cubic root of 2111315263 is about 1282.8750606072.

Adding to 2111315263 its reverse (3625131112), we get a palindrome (5736446375).

The spelling of 2111315263 in words is "two billion, one hundred eleven million, three hundred fifteen thousand, two hundred sixty-three".