11331832031161 has 2 divisors, whose sum is σ = 11331832031162. Its totient is φ = 11331832031160.

The previous prime is 11331832031123. The next prime is 11331832031213. The reversal of 11331832031161 is 16113023813311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10949110395136 + 382721636025 = 3308944^2 + 618645^2 .

It is a cyclic number.

It is not a de Polignac number, because 11331832031161 - 2²³ = 11331823642553 is a prime.

It is not a weakly prime, because it can be changed into another prime (11331832331161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5665916015580 + 5665916015581.

It is an arithmetic number, because the mean of its divisors is an integer number (5665916015581).

Almost surely, 2^{11331832031161} is an apocalyptic number.

It is an amenable number.

11331832031161 is a deficient number, since it is larger than the sum of its proper divisors (1).

11331832031161 is an equidigital number, since it uses as much as digits as its factorization.

11331832031161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 34.

Adding to 11331832031161 its reverse (16113023813311), we get a palindrome (27444855844472).

The spelling of 11331832031161 in words is "eleven trillion, three hundred thirty-one billion, eight hundred thirty-two million, thirty-one thousand, one hundred sixty-one".