36121042513 has 2 divisors, whose sum is σ = 36121042514. Its totient is φ = 36121042512.

The previous prime is 36121042483. The next prime is 36121042543. The reversal of 36121042513 is 31524012163.

It is a balanced prime because it is at equal distance from previous prime (36121042483) and next prime (36121042543).

It can be written as a sum of positive squares in only one way, i.e., 24458770449 + 11662272064 = 156393^2 + 107992^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36121042513 is a prime.

It is not a weakly prime, because it can be changed into another prime (36121042543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18060521256 + 18060521257.

It is an arithmetic number, because the mean of its divisors is an integer number (18060521257).

Almost surely, 2^36121042513 is an apocalyptic number.

It is an amenable number.

36121042513 is a deficient number, since it is larger than the sum of its proper divisors (1).

36121042513 is an equidigital number, since it uses as much as digits as its factorization.

36121042513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 36121042513 its reverse (31524012163), we get a palindrome (67645054676).

The spelling of 36121042513 in words is "thirty-six billion, one hundred twenty-one million, forty-two thousand, five hundred thirteen".