1421415170081 has 2 divisors, whose sum is σ = 1421415170082. Its totient is φ = 1421415170080.

The previous prime is 1421415170033. The next prime is 1421415170089. The reversal of 1421415170081 is 1800715141241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1407345651856 + 14069518225 = 1186316^2 + 118615^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1421415170081 is a prime.

It is a super-2 number, since 2×1421415170081² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1421415170089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710707585040 + 710707585041.

It is an arithmetic number, because the mean of its divisors is an integer number (710707585041).

Almost surely, 2^{1421415170081} is an apocalyptic number.

It is an amenable number.

1421415170081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1421415170081 is an equidigital number, since it uses as much as digits as its factorization.

1421415170081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8960, while the sum is 35.

The spelling of 1421415170081 in words is "one trillion, four hundred twenty-one billion, four hundred fifteen million, one hundred seventy thousand, eighty-one".