11610000121 has 2 divisors, whose sum is σ = 11610000122. Its totient is φ = 11610000120.

The previous prime is 11610000097. The next prime is 11610000137. The reversal of 11610000121 is 12100001611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9983007225 + 1626992896 = 99915^2 + 40336^2 .

It is a cyclic number.

It is not a de Polignac number, because 11610000121 - 2⁵ = 11610000089 is a prime.

It is not a weakly prime, because it can be changed into another prime (11610000151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5805000060 + 5805000061.

It is an arithmetic number, because the mean of its divisors is an integer number (5805000061).

Almost surely, 2^11610000121 is an apocalyptic number.

It is an amenable number.

11610000121 is a deficient number, since it is larger than the sum of its proper divisors (1).

11610000121 is an equidigital number, since it uses as much as digits as its factorization.

11610000121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 11610000121 its reverse (12100001611), we get a palindrome (23710001732).

The spelling of 11610000121 in words is "eleven billion, six hundred ten million, one hundred twenty-one", and thus it is an aban number.