36512245577 has 4 divisors (see below), whose sum is σ = 36642182676. Its totient is φ = 36382308480.

The previous prime is 36512245573. The next prime is 36512245607. The reversal of 36512245577 is 77554221563.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11351623936 + 25160621641 = 106544^2 + 158621^2 .

It is a cyclic number.

It is not a de Polignac number, because 36512245577 - 2² = 36512245573 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36512245573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64968128 + ... + 64968689.

It is an arithmetic number, because the mean of its divisors is an integer number (9160545669).

Almost surely, 2^36512245577 is an apocalyptic number.

It is an amenable number.

36512245577 is a deficient number, since it is larger than the sum of its proper divisors (129937099).

36512245577 is a wasteful number, since it uses less digits than its factorization.

36512245577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129937098.

The product of its digits is 1764000, while the sum is 47.

The spelling of 36512245577 in words is "thirty-six billion, five hundred twelve million, two hundred forty-five thousand, five hundred seventy-seven".