36551501127109 has 2 divisors, whose sum is σ = 36551501127110. Its totient is φ = 36551501127108.

The previous prime is 36551501127083. The next prime is 36551501127173. The reversal of 36551501127109 is 90172110515563.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36071771736484 + 479729390625 = 6005978^2 + 692625^2 .

It is an emirp because it is prime and its reverse (90172110515563) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36551501127109 - 2⁹ = 36551501126597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36551508127109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18275750563554 + 18275750563555.

It is an arithmetic number, because the mean of its divisors is an integer number (18275750563555).

Almost surely, 2^{36551501127109} is an apocalyptic number.

It is an amenable number.

36551501127109 is a deficient number, since it is larger than the sum of its proper divisors (1).

36551501127109 is an equidigital number, since it uses as much as digits as its factorization.

36551501127109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 283500, while the sum is 46.

The spelling of 36551501127109 in words is "thirty-six trillion, five hundred fifty-one billion, five hundred one million, one hundred twenty-seven thousand, one hundred nine".