41545240121 has 16 divisors (see below), whose sum is σ = 51807516288. Its totient is φ = 32366131200.

The previous prime is 41545240097. The next prime is 41545240141. The reversal of 41545240121 is 12104254514.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 41545240121 - 2⁶ = 41545240057 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (41545240141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 330431 + ... + 438491.

It is an arithmetic number, because the mean of its divisors is an integer number (3237969768).

Almost surely, 2^41545240121 is an apocalyptic number.

It is an amenable number.

41545240121 is a deficient number, since it is larger than the sum of its proper divisors (10262276167).

41545240121 is a wasteful number, since it uses less digits than its factorization.

41545240121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113072.

The product of its (nonzero) digits is 6400, while the sum is 29.

Adding to 41545240121 its reverse (12104254514), we get a palindrome (53649494635).

The spelling of 41545240121 in words is "forty-one billion, five hundred forty-five million, two hundred forty thousand, one hundred twenty-one".