11512029002861 has 2 divisors, whose sum is σ = 11512029002862. Its totient is φ = 11512029002860.

The previous prime is 11512029002839. The next prime is 11512029002869. The reversal of 11512029002861 is 16820092021511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10270063633636 + 1241965369225 = 3204694^2 + 1114435^2 .

It is a cyclic number.

It is not a de Polignac number, because 11512029002861 - 2¹⁴ = 11512028986477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11512029002869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5756014501430 + 5756014501431.

It is an arithmetic number, because the mean of its divisors is an integer number (5756014501431).

Almost surely, 2^{11512029002861} is an apocalyptic number.

It is an amenable number.

11512029002861 is a deficient number, since it is larger than the sum of its proper divisors (1).

11512029002861 is an equidigital number, since it uses as much as digits as its factorization.

11512029002861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 38.

The spelling of 11512029002861 in words is "eleven trillion, five hundred twelve billion, twenty-nine million, two thousand, eight hundred sixty-one".