1520536000225 has 36 divisors (see below), whose sum is σ = 2073233546748. Its totient is φ = 1105427804800.

The previous prime is 1520536000157. The next prime is 1520536000253. The reversal of 1520536000225 is 5220006350251.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 153376406689 + 1367159593536 = 391633^2 + 1169256^2 .

It is not a de Polignac number, because 1520536000225 - 2⁷ = 1520536000097 is a prime.

It is a Duffinian number.

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, 8052999 + ... + 8239651.

It is an arithmetic number, because the mean of its divisors is an integer number (57589820743).

Almost surely, 2^{1520536000225} is an apocalyptic number.

It is an amenable number.

1520536000225 is a deficient number, since it is larger than the sum of its proper divisors (552697546523).

1520536000225 is a wasteful number, since it uses less digits than its factorization.

1520536000225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189378 (or 189362 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 1520536000225 in words is "one trillion, five hundred twenty billion, five hundred thirty-six million, two hundred twenty-five", and thus it is an aban number.