36103126511561 has 2 divisors, whose sum is σ = 36103126511562. Its totient is φ = 36103126511560.

The previous prime is 36103126511489. The next prime is 36103126511687. The reversal of 36103126511561 is 16511562130163.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32390394857536 + 3712731654025 = 5691256^2 + 1926845^2 .

It is a cyclic number.

It is not a de Polignac number, because 36103126511561 - 2⁴² = 31705080000457 is a prime.

It is a super-3 number, since 3×36103126511561³ (a number of 42 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (36103126511761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18051563255780 + 18051563255781.

It is an arithmetic number, because the mean of its divisors is an integer number (18051563255781).

Almost surely, 2^{36103126511561} is an apocalyptic number.

It is an amenable number.

36103126511561 is a deficient number, since it is larger than the sum of its proper divisors (1).

36103126511561 is an equidigital number, since it uses as much as digits as its factorization.

36103126511561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 97200, while the sum is 41.

The spelling of 36103126511561 in words is "thirty-six trillion, one hundred three billion, one hundred twenty-six million, five hundred eleven thousand, five hundred sixty-one".