111131012263 has 2 divisors, whose sum is σ = 111131012264. Its totient is φ = 111131012262.

The previous prime is 111131012257. The next prime is 111131012269. The reversal of 111131012263 is 362210131111.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (111131012257) and next prime (111131012269).

It is a cyclic number.

It is not a de Polignac number, because 111131012263 - 2⁵ = 111131012231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111131012269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55565506131 + 55565506132.

It is an arithmetic number, because the mean of its divisors is an integer number (55565506132).

Almost surely, 2^111131012263 is an apocalyptic number.

111131012263 is a deficient number, since it is larger than the sum of its proper divisors (1).

111131012263 is an equidigital number, since it uses as much as digits as its factorization.

111131012263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 111131012263 its reverse (362210131111), we get a palindrome (473341143374).

The spelling of 111131012263 in words is "one hundred eleven billion, one hundred thirty-one million, twelve thousand, two hundred sixty-three".