411804948161 has 4 divisors (see below), whose sum is σ = 411971202132. Its totient is φ = 411638694192.

The previous prime is 411804948157. The next prime is 411804948167. The reversal of 411804948161 is 161849408114.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 161849408114 = 2 ⋅80924704057.

It can be written as a sum of positive squares in 2 ways, for example, as 192649888561 + 219155059600 = 438919^2 + 468140^2 .

It is a cyclic number.

It is not a de Polignac number, because 411804948161 - 2² = 411804948157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (411804948167) 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 in 3 ways as a sum of consecutive naturals, for example, 83123270 + ... + 83128223.

It is an arithmetic number, because the mean of its divisors is an integer number (102992800533).

Almost surely, 2^411804948161 is an apocalyptic number.

It is an amenable number.

411804948161 is a deficient number, since it is larger than the sum of its proper divisors (166253971).

411804948161 is a wasteful number, since it uses less digits than its factorization.

411804948161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166253970.

The product of its (nonzero) digits is 221184, while the sum is 47.

The spelling of 411804948161 in words is "four hundred eleven billion, eight hundred four million, nine hundred forty-eight thousand, one hundred sixty-one".