41579811994081 has 3 divisors (see below), whose sum is σ = 41579818442323. Its totient is φ = 41579805545840.

The previous prime is 41579811994079. The next prime is 41579811994103. The reversal of 41579811994081 is 18049911897514.

The square root of 41579811994081 is 6448241.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 15519195392481 + 26060616601600 = 3939441^2 + 5104960^2 .

It is not a de Polignac number, because 41579811994081 - 2¹ = 41579811994079 is a prime.

It is a super-2 number, since 2×41579811994081² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 41579811993998 and 41579811994016.

It is not an unprimeable number, because it can be changed into a prime (41579811994051) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3224121 + ... + 9672361.

Almost surely, 2^{41579811994081} is an apocalyptic number.

41579811994081 is the 6448241-st square number.

41579811994081 is the 3224121-st centered octagonal number.

It is an amenable number.

41579811994081 is a deficient number, since it is larger than the sum of its proper divisors (6448242).

41579811994081 is an frugal number, since it uses more digits than its factorization.

41579811994081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12896482 (or 6448241 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 67.

The spelling of 41579811994081 in words is "forty-one trillion, five hundred seventy-nine billion, eight hundred eleven million, nine hundred ninety-four thousand, eighty-one".