41151420521 has 2 divisors, whose sum is σ = 41151420522. Its totient is φ = 41151420520.

The previous prime is 41151420517. The next prime is 41151420539. The reversal of 41151420521 is 12502415114.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38903617600 + 2247802921 = 197240^2 + 47411^2 .

It is a cyclic number.

It is not a de Polignac number, because 41151420521 - 2² = 41151420517 is a prime.

It is a super-2 number, since 2×41151420521² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (41151420551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20575710260 + 20575710261.

It is an arithmetic number, because the mean of its divisors is an integer number (20575710261).

Almost surely, 2^41151420521 is an apocalyptic number.

It is an amenable number.

41151420521 is a deficient number, since it is larger than the sum of its proper divisors (1).

41151420521 is an equidigital number, since it uses as much as digits as its factorization.

41151420521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1600, while the sum is 26.

Adding to 41151420521 its reverse (12502415114), we get a palindrome (53653835635).

The spelling of 41151420521 in words is "forty-one billion, one hundred fifty-one million, four hundred twenty thousand, five hundred twenty-one".