11231001263 has 2 divisors, whose sum is σ = 11231001264. Its totient is φ = 11231001262.

The previous prime is 11231001217. The next prime is 11231001293. The reversal of 11231001263 is 36210013211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11231001263 - 2⁸ = 11231001007 is a prime.

It is a super-2 number, since 2×11231001263² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11231001293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5615500631 + 5615500632.

It is an arithmetic number, because the mean of its divisors is an integer number (5615500632).

Almost surely, 2^11231001263 is an apocalyptic number.

11231001263 is a deficient number, since it is larger than the sum of its proper divisors (1).

11231001263 is an equidigital number, since it uses as much as digits as its factorization.

11231001263 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 20.

Adding to 11231001263 its reverse (36210013211), we get a palindrome (47441014474).

The spelling of 11231001263 in words is "eleven billion, two hundred thirty-one million, one thousand, two hundred sixty-three".