401100856840867 has 2 divisors, whose sum is σ = 401100856840868. Its totient is φ = 401100856840866.

The previous prime is 401100856840807. The next prime is 401100856841011. The reversal of 401100856840867 is 768048658001104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 401100856840867 - 2³¹ = 401098709357219 is a prime.

It is a super-2 number, since 2×401100856840867² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (401100856840807) 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, 200550428420433 + 200550428420434.

It is an arithmetic number, because the mean of its divisors is an integer number (200550428420434).

Almost surely, 2^{401100856840867} is an apocalyptic number.

401100856840867 is a deficient number, since it is larger than the sum of its proper divisors (1).

401100856840867 is an equidigital number, since it uses as much as digits as its factorization.

401100856840867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10321920, while the sum is 58.

The spelling of 401100856840867 in words is "four hundred one trillion, one hundred billion, eight hundred fifty-six million, eight hundred forty thousand, eight hundred sixty-seven".