4518641877145 has 24 divisors (see below), whose sum is σ = 6086937209472. Its totient is φ = 3216364023840.

The previous prime is 4518641877007. The next prime is 4518641877203. The reversal of 4518641877145 is 5417781468154.

It is not a de Polignac number, because 4518641877145 - 2⁹ = 4518641876633 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79427199 + ... + 79484068.

It is an arithmetic number, because the mean of its divisors is an integer number (253622383728).

Almost surely, 2^{4518641877145} is an apocalyptic number.

It is an amenable number.

4518641877145 is a deficient number, since it is larger than the sum of its proper divisors (1568295332327).

4518641877145 is a wasteful number, since it uses less digits than its factorization.

4518641877145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158911341 (or 158911330 counting only the distinct ones).

The product of its digits is 30105600, while the sum is 61.

The spelling of 4518641877145 in words is "four trillion, five hundred eighteen billion, six hundred forty-one million, eight hundred seventy-seven thousand, one hundred forty-five".