11420034444431 has 2 divisors, whose sum is σ = 11420034444432. Its totient is φ = 11420034444430.

The previous prime is 11420034444319. The next prime is 11420034444443. The reversal of 11420034444431 is 13444443002411.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11420034444431 is a prime.

It is a super-2 number, since 2×11420034444431² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11420034444391 and 11420034444400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11420034449431) 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, 5710017222215 + 5710017222216.

It is an arithmetic number, because the mean of its divisors is an integer number (5710017222216).

Almost surely, 2^{11420034444431} is an apocalyptic number.

11420034444431 is a deficient number, since it is larger than the sum of its proper divisors (1).

11420034444431 is an equidigital number, since it uses as much as digits as its factorization.

11420034444431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 73728, while the sum is 35.

Adding to 11420034444431 its reverse (13444443002411), we get a palindrome (24864477446842).

The spelling of 11420034444431 in words is "eleven trillion, four hundred twenty billion, thirty-four million, four hundred forty-four thousand, four hundred thirty-one".