11534421373 has 2 divisors, whose sum is σ = 11534421374. Its totient is φ = 11534421372.

The previous prime is 11534421289. The next prime is 11534421407. The reversal of 11534421373 is 37312443511.

It is an a-pointer prime, because the next prime (11534421407) can be obtained adding 11534421373 to its sum of digits (34).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8251360569 + 3283060804 = 90837^2 + 57298^2 .

It is a cyclic number.

It is not a de Polignac number, because 11534421373 - 2¹⁷ = 11534290301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11534421973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5767210686 + 5767210687.

It is an arithmetic number, because the mean of its divisors is an integer number (5767210687).

Almost surely, 2^11534421373 is an apocalyptic number.

It is an amenable number.

11534421373 is a deficient number, since it is larger than the sum of its proper divisors (1).

11534421373 is an equidigital number, since it uses as much as digits as its factorization.

11534421373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 34.

Adding to 11534421373 its reverse (37312443511), we get a palindrome (48846864884).

The spelling of 11534421373 in words is "eleven billion, five hundred thirty-four million, four hundred twenty-one thousand, three hundred seventy-three".