11045131423231 has 2 divisors, whose sum is σ = 11045131423232. Its totient is φ = 11045131423230.

The previous prime is 11045131423217. The next prime is 11045131423243. The reversal of 11045131423231 is 13232413154011.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11045131423231 - 2²⁷ = 11044997205503 is a prime.

It is a super-2 number, since 2×11045131423231² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11045131423193 and 11045131423202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11045131423201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5522565711615 + 5522565711616.

It is an arithmetic number, because the mean of its divisors is an integer number (5522565711616).

Almost surely, 2^{11045131423231} is an apocalyptic number.

11045131423231 is a deficient number, since it is larger than the sum of its proper divisors (1).

11045131423231 is an equidigital number, since it uses as much as digits as its factorization.

11045131423231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 11045131423231 its reverse (13232413154011), we get a palindrome (24277544577242).

The spelling of 11045131423231 in words is "eleven trillion, forty-five billion, one hundred thirty-one million, four hundred twenty-three thousand, two hundred thirty-one".