36561525222672 has 60 divisors (see below), whose sum is σ = 102322031975280. Its totient is φ = 12187110608064.

The previous prime is 36561525222659. The next prime is 36561525222727. The reversal of 36561525222672 is 27622252516563.

It is a happy number.

36561525222672 is a `hidden beast` number, since 3 + 6 + 5 + 6 + 1 + 52 + 522 + 2 + 67 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32220579 + ... + 33335997.

It is an arithmetic number, because the mean of its divisors is an integer number (1705367199588).

Almost surely, 2^{36561525222672} is an apocalyptic number.

It is an amenable number.

36561525222672 is an abundant number, since it is smaller than the sum of its proper divisors (65760506752608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

36561525222672 is a wasteful number, since it uses less digits than its factorization.

36561525222672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343060 (or 1343051 counting only the distinct ones).

The product of its digits is 18144000, while the sum is 54.

The spelling of 36561525222672 in words is "thirty-six trillion, five hundred sixty-one billion, five hundred twenty-five million, two hundred twenty-two thousand, six hundred seventy-two".