41420505557 has 2 divisors, whose sum is σ = 41420505558. Its totient is φ = 41420505556.

The previous prime is 41420505527. The next prime is 41420505583. The reversal of 41420505557 is 75550502414.

41420505557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23541071761 + 17879433796 = 153431^2 + 133714^2 .

It is a cyclic number.

It is not a de Polignac number, because 41420505557 - 2¹² = 41420501461 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 41420505557.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41420505517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20710252778 + 20710252779.

It is an arithmetic number, because the mean of its divisors is an integer number (20710252779).

Almost surely, 2^41420505557 is an apocalyptic number.

It is an amenable number.

41420505557 is a deficient number, since it is larger than the sum of its proper divisors (1).

41420505557 is an equidigital number, since it uses as much as digits as its factorization.

41420505557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 140000, while the sum is 38.

The spelling of 41420505557 in words is "forty-one billion, four hundred twenty million, five hundred five thousand, five hundred fifty-seven".