11131330000061 has 2 divisors, whose sum is σ = 11131330000062. Its totient is φ = 11131330000060.

The previous prime is 11131330000057. The next prime is 11131330000099. The reversal of 11131330000061 is 16000003313111.

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., 11131064505625 + 265494436 = 3336325^2 + 16294^2 .

It is a cyclic number.

It is not a de Polignac number, because 11131330000061 - 2² = 11131330000057 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11131329999988 and 11131330000042.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11131330000261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5565665000030 + 5565665000031.

It is an arithmetic number, because the mean of its divisors is an integer number (5565665000031).

Almost surely, 2^{11131330000061} is an apocalyptic number.

It is an amenable number.

11131330000061 is a deficient number, since it is larger than the sum of its proper divisors (1).

11131330000061 is an equidigital number, since it uses as much as digits as its factorization.

11131330000061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 11131330000061 its reverse (16000003313111), we get a palindrome (27131333313172).

The spelling of 11131330000061 in words is "eleven trillion, one hundred thirty-one billion, three hundred thirty million, sixty-one", and thus it is an aban number.