43255215025 has 12 divisors (see below), whose sum is σ = 58512509424. Its totient is φ = 31458338000.

The previous prime is 43255215013. The next prime is 43255215041. The reversal of 43255215025 is 52051255234.

It is not a de Polignac number, because 43255215025 - 2⁷ = 43255214897 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78645571 + ... + 78646120.

It is an arithmetic number, because the mean of its divisors is an integer number (4876042452).

Almost surely, 2^43255215025 is an apocalyptic number.

It is an amenable number.

43255215025 is a deficient number, since it is larger than the sum of its proper divisors (15257294399).

43255215025 is a wasteful number, since it uses less digits than its factorization.

43255215025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157291712 (or 157291707 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 34.

The spelling of 43255215025 in words is "forty-three billion, two hundred fifty-five million, two hundred fifteen thousand, twenty-five".