41520165539 has 2 divisors, whose sum is σ = 41520165540. Its totient is φ = 41520165538.

The previous prime is 41520165503. The next prime is 41520165551. The reversal of 41520165539 is 93556102514.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41520165539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 41520165496 and 41520165505.

It is not a weakly prime, because it can be changed into another prime (41520165439) 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 as a sum of consecutive naturals, namely, 20760082769 + 20760082770.

It is an arithmetic number, because the mean of its divisors is an integer number (20760082770).

Almost surely, 2^41520165539 is an apocalyptic number.

41520165539 is a deficient number, since it is larger than the sum of its proper divisors (1).

41520165539 is an equidigital number, since it uses as much as digits as its factorization.

41520165539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162000, while the sum is 41.

The spelling of 41520165539 in words is "forty-one billion, five hundred twenty million, one hundred sixty-five thousand, five hundred thirty-nine".