11325505231 has 2 divisors, whose sum is σ = 11325505232. Its totient is φ = 11325505230.

The previous prime is 11325505229. The next prime is 11325505267. The reversal of 11325505231 is 13250552311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11325505231 - 2¹ = 11325505229 is a prime.

It is a super-2 number, since 2×11325505231² (a number of 21 digits) contains 22 as substring.

Together with 11325505229, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 11325505231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11325505291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5662752615 + 5662752616.

It is an arithmetic number, because the mean of its divisors is an integer number (5662752616).

Almost surely, 2^11325505231 is an apocalyptic number.

11325505231 is a deficient number, since it is larger than the sum of its proper divisors (1).

11325505231 is an equidigital number, since it uses as much as digits as its factorization.

11325505231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4500, while the sum is 28.

The spelling of 11325505231 in words is "eleven billion, three hundred twenty-five million, five hundred five thousand, two hundred thirty-one".