36225545121 has 12 divisors (see below), whose sum is σ = 53602026660. Its totient is φ = 23561329920.

The previous prime is 36225545087. The next prime is 36225545129. The reversal of 36225545121 is 12154552263.

36225545121 is a `hidden beast` number, since 3 + 622 + 5 + 5 + 4 + 5 + 1 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 13826232225 + 22399312896 = 117585^2 + 149664^2 .

It is not a de Polignac number, because 36225545121 - 2¹⁴ = 36225528737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (36225545129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49085736 + ... + 49086473.

It is an arithmetic number, because the mean of its divisors is an integer number (4466835555).

Almost surely, 2^36225545121 is an apocalyptic number.

It is an amenable number.

36225545121 is a deficient number, since it is larger than the sum of its proper divisors (17376481539).

36225545121 is a wasteful number, since it uses less digits than its factorization.

36225545121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98172256 (or 98172253 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The spelling of 36225545121 in words is "thirty-six billion, two hundred twenty-five million, five hundred forty-five thousand, one hundred twenty-one".