4217125505051 has 2 divisors, whose sum is σ = 4217125505052. Its totient is φ = 4217125505050.

The previous prime is 4217125505023. The next prime is 4217125505093. The reversal of 4217125505051 is 1505055217124.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4217125505051 - 2²² = 4217121310747 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4217125504996 and 4217125505014.

It is not a weakly prime, because it can be changed into another prime (4217125505951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2108562752525 + 2108562752526.

It is an arithmetic number, because the mean of its divisors is an integer number (2108562752526).

Almost surely, 2^{4217125505051} is an apocalyptic number.

4217125505051 is a deficient number, since it is larger than the sum of its proper divisors (1).

4217125505051 is an equidigital number, since it uses as much as digits as its factorization.

4217125505051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70000, while the sum is 38.

The spelling of 4217125505051 in words is "four trillion, two hundred seventeen billion, one hundred twenty-five million, five hundred five thousand, fifty-one".