11342144381 has 2 divisors, whose sum is σ = 11342144382. Its totient is φ = 11342144380.

The previous prime is 11342144377. The next prime is 11342144413. The reversal of 11342144381 is 18344124311.

11342144381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (11342144413) can be obtained adding 11342144381 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10207060900 + 1135083481 = 101030^2 + 33691^2 .

It is a cyclic number.

It is not a de Polignac number, because 11342144381 - 2² = 11342144377 is a prime.

It is a super-2 number, since 2×11342144381² (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 (11342144311) 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, 5671072190 + 5671072191.

It is an arithmetic number, because the mean of its divisors is an integer number (5671072191).

Almost surely, 2^11342144381 is an apocalyptic number.

It is an amenable number.

11342144381 is a deficient number, since it is larger than the sum of its proper divisors (1).

11342144381 is an equidigital number, since it uses as much as digits as its factorization.

11342144381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9216, while the sum is 32.

Adding to 11342144381 its reverse (18344124311), we get a palindrome (29686268692).

The spelling of 11342144381 in words is "eleven billion, three hundred forty-two million, one hundred forty-four thousand, three hundred eighty-one".