120530866525 has 6 divisors (see below), whose sum is σ = 149458274522. Its totient is φ = 96424693200.

The previous prime is 120530866513. The next prime is 120530866543. The reversal of 120530866525 is 525668035021.

It can be written as a sum of positive squares in 3 ways, for example, as 2658124249 + 117872742276 = 51557^2 + 343326^2 .

It is not a de Polignac number, because 120530866525 - 2⁵ = 120530866493 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 2410617306 + ... + 2410617355.

Almost surely, 2^120530866525 is an apocalyptic number.

It is an amenable number.

120530866525 is a deficient number, since it is larger than the sum of its proper divisors (28927407997).

120530866525 is an equidigital number, since it uses as much as digits as its factorization.

120530866525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4821234671 (or 4821234666 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 43.

The spelling of 120530866525 in words is "one hundred twenty billion, five hundred thirty million, eight hundred sixty-six thousand, five hundred twenty-five".