36561053573225 has 6 divisors (see below), whose sum is σ = 45335706430830. Its totient is φ = 29248842858560.

The previous prime is 36561053573173. The next prime is 36561053573243. The reversal of 36561053573225 is 52237535016563.

It can be written as a sum of positive squares in 3 ways, for example, as 11563733501401 + 24997320071824 = 3400549^2 + 4999732^2 .

It is not a de Polignac number, because 36561053573225 - 2³² = 36556758605929 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 731221071440 + ... + 731221071489.

It is an arithmetic number, because the mean of its divisors is an integer number (7555951071805).

Almost surely, 2^{36561053573225} is an apocalyptic number.

It is an amenable number.

36561053573225 is a deficient number, since it is larger than the sum of its proper divisors (8774652857605).

36561053573225 is a wasteful number, since it uses less digits than its factorization.

36561053573225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1462442142939 (or 1462442142934 counting only the distinct ones).

The product of its (nonzero) digits is 17010000, while the sum is 53.

Adding to 36561053573225 its reverse (52237535016563), we get a palindrome (88798588589788).

The spelling of 36561053573225 in words is "thirty-six trillion, five hundred sixty-one billion, fifty-three million, five hundred seventy-three thousand, two hundred twenty-five".