4245321205155 has 16 divisors (see below), whose sum is σ = 6793460528544. Its totient is φ = 2263855776000.

The previous prime is 4245321205129. The next prime is 4245321205157. The reversal of 4245321205155 is 5515021235424.

It is not a de Polignac number, because 4245321205155 - 2¹¹ = 4245321203107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4245321205157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19609596 + ... + 19824905.

It is an arithmetic number, because the mean of its divisors is an integer number (424591283034).

Almost surely, 2^{4245321205155} is an apocalyptic number.

4245321205155 is a deficient number, since it is larger than the sum of its proper divisors (2548139323389).

4245321205155 is a wasteful number, since it uses less digits than its factorization.

4245321205155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39441686.

The product of its (nonzero) digits is 240000, while the sum is 39.

The spelling of 4245321205155 in words is "four trillion, two hundred forty-five billion, three hundred twenty-one million, two hundred five thousand, one hundred fifty-five".