11421332137 has 2 divisors, whose sum is σ = 11421332138. Its totient is φ = 11421332136.

The previous prime is 11421332129. The next prime is 11421332147. The reversal of 11421332137 is 73123312411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10247310441 + 1174021696 = 101229^2 + 34264^2 .

It is a cyclic number.

It is not a de Polignac number, because 11421332137 - 2³ = 11421332129 is a prime.

It is not a weakly prime, because it can be changed into another prime (11421332107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5710666068 + 5710666069.

It is an arithmetic number, because the mean of its divisors is an integer number (5710666069).

Almost surely, 2^11421332137 is an apocalyptic number.

It is an amenable number.

11421332137 is a deficient number, since it is larger than the sum of its proper divisors (1).

11421332137 is an equidigital number, since it uses as much as digits as its factorization.

11421332137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 28.

Adding to 11421332137 its reverse (73123312411), we get a palindrome (84544644548).

The spelling of 11421332137 in words is "eleven billion, four hundred twenty-one million, three hundred thirty-two thousand, one hundred thirty-seven".