41003545021 has 16 divisors (see below), whose sum is σ = 43294262400. Its totient is φ = 38755715328.

The previous prime is 41003544979. The next prime is 41003545073. The reversal of 41003545021 is 12054530014.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 41003545021 - 2¹⁹ = 41003020733 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 (41003545321) 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, 3816385 + ... + 3827113.

It is an arithmetic number, because the mean of its divisors is an integer number (2705891400).

Almost surely, 2^41003545021 is an apocalyptic number.

It is an amenable number.

41003545021 is a deficient number, since it is larger than the sum of its proper divisors (2290717379).

41003545021 is a wasteful number, since it uses less digits than its factorization.

41003545021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12708.

The product of its (nonzero) digits is 2400, while the sum is 25.

The spelling of 41003545021 in words is "forty-one billion, three million, five hundred forty-five thousand, twenty-one".