11012000000129 has 2 divisors, whose sum is σ = 11012000000130. Its totient is φ = 11012000000128.

The previous prime is 11012000000117. The next prime is 11012000000149. The reversal of 11012000000129 is 92100000021011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8524998457600 + 2487001542529 = 2919760^2 + 1577023^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11012000000129 is a prime.

It is not a weakly prime, because it can be changed into another prime (11012000000149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5506000000064 + 5506000000065.

It is an arithmetic number, because the mean of its divisors is an integer number (5506000000065).

Almost surely, 2^{11012000000129} is an apocalyptic number.

It is an amenable number.

11012000000129 is a deficient number, since it is larger than the sum of its proper divisors (1).

11012000000129 is an equidigital number, since it uses as much as digits as its factorization.

11012000000129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 17.

The spelling of 11012000000129 in words is "eleven trillion, twelve billion, one hundred twenty-nine", and thus it is an aban number.