225061040643 has 4 divisors (see below), whose sum is σ = 300081387528. Its totient is φ = 150040693760.

The previous prime is 225061040621. The next prime is 225061040653. The reversal of 225061040643 is 346040160522.

225061040643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 225061040643 - 2⁶ = 225061040579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225061040653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37510173438 + ... + 37510173443.

It is an arithmetic number, because the mean of its divisors is an integer number (75020346882).

Almost surely, 2^225061040643 is an apocalyptic number.

225061040643 is a deficient number, since it is larger than the sum of its proper divisors (75020346885).

225061040643 is an equidigital number, since it uses as much as digits as its factorization.

225061040643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75020346884.

The product of its (nonzero) digits is 34560, while the sum is 33.

The spelling of 225061040643 in words is "two hundred twenty-five billion, sixty-one million, forty thousand, six hundred forty-three".