4245152221155 has 16 divisors (see below), whose sum is σ = 6975817704864. Its totient is φ = 2202889800960.

The previous prime is 4245152221153. The next prime is 4245152221199. The reversal of 4245152221155 is 5511222515424.

It is not a de Polignac number, because 4245152221155 - 2¹ = 4245152221153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4245152221153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3824460906 + ... + 3824462015.

It is an arithmetic number, because the mean of its divisors is an integer number (435988606554).

Almost surely, 2^{4245152221155} is an apocalyptic number.

4245152221155 is a deficient number, since it is larger than the sum of its proper divisors (2730665483709).

4245152221155 is a wasteful number, since it uses less digits than its factorization.

4245152221155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7648922966.

The product of its digits is 160000, while the sum is 39.

Adding to 4245152221155 its reverse (5511222515424), we get a palindrome (9756374736579).

The spelling of 4245152221155 in words is "four trillion, two hundred forty-five billion, one hundred fifty-two million, two hundred twenty-one thousand, one hundred fifty-five".