36605255625 has 45 divisors (see below), whose sum is σ = 66097583409. Its totient is φ = 19515150000.

The previous prime is 36605255569. The next prime is 36605255677. The reversal of 36605255625 is 52655250663.

The square root of 36605255625 is 191325.

It is a perfect power (a square), and thus also a powerful number.

36605255625 is a `hidden beast` number, since 3 + 6 + 60 + 5 + 25 + 562 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2869852041 + 33735403584 = 53571^2 + 183672^2 .

It is a tau number, because it is divible by the number of its divisors (45).

It is not a de Polignac number, because 36605255625 - 2⁷ = 36605255497 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 14348100 + ... + 14350650.

Almost surely, 2^36605255625 is an apocalyptic number.

36605255625 is the 191325-th square number.

36605255625 is the 95663-rd centered octagonal number.

It is an amenable number.

36605255625 is a deficient number, since it is larger than the sum of its proper divisors (29492327784).

36605255625 is an frugal number, since it uses more digits than its factorization.

36605255625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5128 (or 2559 counting only the distinct ones).

The product of its (nonzero) digits is 1620000, while the sum is 45.

It can be divided in two parts, 36605 and 255625, that added together give a triangular number (292230 = T₇₆₄).

The spelling of 36605255625 in words is "thirty-six billion, six hundred five million, two hundred fifty-five thousand, six hundred twenty-five".