41245130021 has 4 divisors (see below), whose sum is σ = 42251108844. Its totient is φ = 40239151200.

The previous prime is 41245130009. The next prime is 41245130071. The reversal of 41245130021 is 12003154214.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3885652225 + 37359477796 = 62335^2 + 193286^2 .

It is a cyclic number.

It is not a de Polignac number, because 41245130021 - 2³⁴ = 24065260837 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 (41245130071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 502989350 + ... + 502989431.

It is an arithmetic number, because the mean of its divisors is an integer number (10562777211).

Almost surely, 2^41245130021 is an apocalyptic number.

41245130021 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

41245130021 is a deficient number, since it is larger than the sum of its proper divisors (1005978823).

41245130021 is a wasteful number, since it uses less digits than its factorization.

41245130021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005978822.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 41245130021 its reverse (12003154214), we get a palindrome (53248284235).

The spelling of 41245130021 in words is "forty-one billion, two hundred forty-five million, one hundred thirty thousand, twenty-one".