41121121345 has 16 divisors (see below), whose sum is σ = 49529805120. Its totient is φ = 32774068800.

The previous prime is 41121121303. The next prime is 41121121369. The reversal of 41121121345 is 54312112114.

It is a happy number.

It is not a de Polignac number, because 41121121345 - 2¹¹ = 41121119297 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2525691 + ... + 2541919.

It is an arithmetic number, because the mean of its divisors is an integer number (3095612820).

Almost surely, 2^41121121345 is an apocalyptic number.

It is an amenable number.

41121121345 is a deficient number, since it is larger than the sum of its proper divisors (8408683775).

41121121345 is a wasteful number, since it uses less digits than its factorization.

41121121345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18096.

The product of its digits is 960, while the sum is 25.

Adding to 41121121345 its reverse (54312112114), we get a palindrome (95433233459).

The spelling of 41121121345 in words is "forty-one billion, one hundred twenty-one million, one hundred twenty-one thousand, three hundred forty-five".