4215128291411 has 2 divisors, whose sum is σ = 4215128291412. Its totient is φ = 4215128291410.

The previous prime is 4215128291401. The next prime is 4215128291449. The reversal of 4215128291411 is 1141928215124.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4215128291411 is a prime.

It is a super-2 number, since 2×4215128291411² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4215128291401) 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 as a sum of consecutive naturals, namely, 2107564145705 + 2107564145706.

It is an arithmetic number, because the mean of its divisors is an integer number (2107564145706).

Almost surely, 2^{4215128291411} is an apocalyptic number.

4215128291411 is a deficient number, since it is larger than the sum of its proper divisors (1).

4215128291411 is an equidigital number, since it uses as much as digits as its factorization.

4215128291411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46080, while the sum is 41.

The spelling of 4215128291411 in words is "four trillion, two hundred fifteen billion, one hundred twenty-eight million, two hundred ninety-one thousand, four hundred eleven".