11211033137 has 2 divisors, whose sum is σ = 11211033138. Its totient is φ = 11211033136.

The previous prime is 11211033109. The next prime is 11211033139. The reversal of 11211033137 is 73133011211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10934675761 + 276357376 = 104569^2 + 16624^2 .

It is a cyclic number.

It is not a de Polignac number, because 11211033137 - 2⁶ = 11211033073 is a prime.

Together with 11211033139, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11211033139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5605516568 + 5605516569.

It is an arithmetic number, because the mean of its divisors is an integer number (5605516569).

Almost surely, 2^11211033137 is an apocalyptic number.

It is an amenable number.

11211033137 is a deficient number, since it is larger than the sum of its proper divisors (1).

11211033137 is an equidigital number, since it uses as much as digits as its factorization.

11211033137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378, while the sum is 23.

Adding to 11211033137 its reverse (73133011211), we get a palindrome (84344044348).

The spelling of 11211033137 in words is "eleven billion, two hundred eleven million, thirty-three thousand, one hundred thirty-seven".