36215455121 has 2 divisors, whose sum is σ = 36215455122. Its totient is φ = 36215455120.

The previous prime is 36215455099. The next prime is 36215455189. The reversal of 36215455121 is 12155451263.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19227982225 + 16987472896 = 138665^2 + 130336^2 .

It is a cyclic number.

It is not a de Polignac number, because 36215455121 - 2⁶ = 36215455057 is a prime.

It is not a weakly prime, because it can be changed into another prime (36215457121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18107727560 + 18107727561.

It is an arithmetic number, because the mean of its divisors is an integer number (18107727561).

Almost surely, 2^36215455121 is an apocalyptic number.

It is an amenable number.

36215455121 is a deficient number, since it is larger than the sum of its proper divisors (1).

36215455121 is an equidigital number, since it uses as much as digits as its factorization.

36215455121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36000, while the sum is 35.

The spelling of 36215455121 in words is "thirty-six billion, two hundred fifteen million, four hundred fifty-five thousand, one hundred twenty-one".