11556372263 has 2 divisors, whose sum is σ = 11556372264. Its totient is φ = 11556372262.

The previous prime is 11556372211. The next prime is 11556372271. The reversal of 11556372263 is 36227365511.

11556372263 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (36227365511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11556372263 - 2¹² = 11556368167 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11556372263.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11556372203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5778186131 + 5778186132.

It is an arithmetic number, because the mean of its divisors is an integer number (5778186132).

Almost surely, 2^11556372263 is an apocalyptic number.

11556372263 is a deficient number, since it is larger than the sum of its proper divisors (1).

11556372263 is an equidigital number, since it uses as much as digits as its factorization.

11556372263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226800, while the sum is 41.

The spelling of 11556372263 in words is "eleven billion, five hundred fifty-six million, three hundred seventy-two thousand, two hundred sixty-three".