11115905263 has 2 divisors, whose sum is σ = 11115905264. Its totient is φ = 11115905262.

The previous prime is 11115905261. The next prime is 11115905279. The reversal of 11115905263 is 36250951111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11115905263 - 2¹ = 11115905261 is a prime.

Together with 11115905261, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11115905261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5557952631 + 5557952632.

It is an arithmetic number, because the mean of its divisors is an integer number (5557952632).

Almost surely, 2^11115905263 is an apocalyptic number.

11115905263 is a deficient number, since it is larger than the sum of its proper divisors (1).

11115905263 is an equidigital number, since it uses as much as digits as its factorization.

11115905263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8100, while the sum is 34.

The spelling of 11115905263 in words is "eleven billion, one hundred fifteen million, nine hundred five thousand, two hundred sixty-three".