36156556225 has 36 divisors (see below), whose sum is σ = 46368477540. Its totient is φ = 27951436800.

The previous prime is 36156556187. The next prime is 36156556237. The reversal of 36156556225 is 52265565163.

It is a happy number.

It can be written as a sum of positive squares in 18 ways, for example, as 34582609296 + 1573946929 = 185964^2 + 39673^2 .

It is not a de Polignac number, because 36156556225 - 2⁹ = 36156555713 is a prime.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 12176541 + ... + 12179509.

It is an arithmetic number, because the mean of its divisors is an integer number (1288013265).

Almost surely, 2^36156556225 is an apocalyptic number.

It is an amenable number.

36156556225 is a deficient number, since it is larger than the sum of its proper divisors (10211921315).

36156556225 is a wasteful number, since it uses less digits than its factorization.

36156556225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3238 (or 3124 counting only the distinct ones).

The product of its digits is 1620000, while the sum is 46.

The spelling of 36156556225 in words is "thirty-six billion, one hundred fifty-six million, five hundred fifty-six thousand, two hundred twenty-five".