41487815988481 has 4 divisors (see below), whose sum is σ = 42609108312532. Its totient is φ = 40366523664432.

The previous prime is 41487815988473. The next prime is 41487815988497. The reversal of 41487815988481 is 18488951878414.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18009914828481 + 23477901160000 = 4243809^2 + 4845400^2 .

It is a cyclic number.

It is not a de Polignac number, because 41487815988481 - 2³ = 41487815988473 is a prime.

It is a super-2 number, since 2×41487815988481² (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 = 41487815988398 and 41487815988407.

It is not an unprimeable number, because it can be changed into a prime (41485815988481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 560646161970 + ... + 560646162043.

It is an arithmetic number, because the mean of its divisors is an integer number (10652277078133).

Almost surely, 2^{41487815988481} is an apocalyptic number.

It is an amenable number.

41487815988481 is a deficient number, since it is larger than the sum of its proper divisors (1121292324051).

41487815988481 is a wasteful number, since it uses less digits than its factorization.

41487815988481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121292324050.

The product of its digits is 660602880, while the sum is 76.

The spelling of 41487815988481 in words is "forty-one trillion, four hundred eighty-seven billion, eight hundred fifteen million, nine hundred eighty-eight thousand, four hundred eighty-one".