43023225515 has 4 divisors (see below), whose sum is σ = 51627870624. Its totient is φ = 34418580408.

The previous prime is 43023225499. The next prime is 43023225521. The reversal of 43023225515 is 51552232034.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 43023225515 - 2⁴ = 43023225499 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4302322547 + ... + 4302322556.

It is an arithmetic number, because the mean of its divisors is an integer number (12906967656).

Almost surely, 2^43023225515 is an apocalyptic number.

43023225515 is a deficient number, since it is larger than the sum of its proper divisors (8604645109).

43023225515 is an equidigital number, since it uses as much as digits as its factorization.

43023225515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8604645108.

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 43023225515 its reverse (51552232034), we get a palindrome (94575457549).

The spelling of 43023225515 in words is "forty-three billion, twenty-three million, two hundred twenty-five thousand, five hundred fifteen".