4217125505087 has 16 divisors (see below), whose sum is σ = 4648283227392. Its totient is φ = 3793937598720.

The previous prime is 4217125505051. The next prime is 4217125505093. The reversal of 4217125505087 is 7805055217124.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 4217125505087 - 2⁶ = 4217125505023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4217125504087) 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, 14498438 + ... + 14786444.

It is an arithmetic number, because the mean of its divisors is an integer number (290517701712).

Almost surely, 2^{4217125505087} is an apocalyptic number.

4217125505087 is a deficient number, since it is larger than the sum of its proper divisors (431157722305).

4217125505087 is a wasteful number, since it uses less digits than its factorization.

4217125505087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301838.

The product of its (nonzero) digits is 784000, while the sum is 47.

The spelling of 4217125505087 in words is "four trillion, two hundred seventeen billion, one hundred twenty-five million, five hundred five thousand, eighty-seven".