41221113155405 has 32 divisors (see below), whose sum is σ = 50424036824448. Its totient is φ = 32344284672000.

The previous prime is 41221113155393. The next prime is 41221113155407. The reversal of 41221113155405 is 50455131112214.

It is a happy number.

It is not a de Polignac number, because 41221113155405 - 2¹⁰ = 41221113154381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41221113155407) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34526597 + ... + 35700533.

It is an arithmetic number, because the mean of its divisors is an integer number (1575751150764).

Almost surely, 2^{41221113155405} is an apocalyptic number.

It is an amenable number.

41221113155405 is a deficient number, since it is larger than the sum of its proper divisors (9202923669043).

41221113155405 is a wasteful number, since it uses less digits than its factorization.

41221113155405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174637.

The product of its (nonzero) digits is 24000, while the sum is 35.

Adding to 41221113155405 its reverse (50455131112214), we get a palindrome (91676244267619).

The spelling of 41221113155405 in words is "forty-one trillion, two hundred twenty-one billion, one hundred thirteen million, one hundred fifty-five thousand, four hundred five".