11131243337 has 2 divisors, whose sum is σ = 11131243338. Its totient is φ = 11131243336.

The previous prime is 11131243307. The next prime is 11131243393. The reversal of 11131243337 is 73334213111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10251765001 + 879478336 = 101251^2 + 29656^2 .

It is a cyclic number.

It is not a de Polignac number, because 11131243337 - 2⁶ = 11131243273 is a prime.

It is not a weakly prime, because it can be changed into another prime (11131243307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5565621668 + 5565621669.

It is an arithmetic number, because the mean of its divisors is an integer number (5565621669).

Almost surely, 2^11131243337 is an apocalyptic number.

It is an amenable number.

11131243337 is a deficient number, since it is larger than the sum of its proper divisors (1).

11131243337 is an equidigital number, since it uses as much as digits as its factorization.

11131243337 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 29.

Adding to 11131243337 its reverse (73334213111), we get a palindrome (84465456448).

The spelling of 11131243337 in words is "eleven billion, one hundred thirty-one million, two hundred forty-three thousand, three hundred thirty-seven".