20541045113404 has 6 divisors (see below), whose sum is σ = 35946828948464. Its totient is φ = 10270522556700.

The previous prime is 20541045113387. The next prime is 20541045113411. The reversal of 20541045113404 is 40431154014502.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20541045113404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2567630639172 + ... + 2567630639179.

Almost surely, 2^{20541045113404} is an apocalyptic number.

It is an amenable number.

20541045113404 is a deficient number, since it is larger than the sum of its proper divisors (15405783835060).

20541045113404 is a wasteful number, since it uses less digits than its factorization.

20541045113404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5135261278355 (or 5135261278353 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

Adding to 20541045113404 its reverse (40431154014502), we get a palindrome (60972199127906).

The spelling of 20541045113404 in words is "twenty trillion, five hundred forty-one billion, forty-five million, one hundred thirteen thousand, four hundred four".