41255421021 has 12 divisors (see below), whose sum is σ = 61044607260. Its totient is φ = 26832793920.

The previous prime is 41255421013. The next prime is 41255421089. The reversal of 41255421021 is 12012455214.

It is a happy number.

41255421021 is a `hidden beast` number, since 4 + 1 + 2 + 554 + 2 + 102 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 12163001796 + 29092419225 = 110286^2 + 170565^2 .

It is not a de Polignac number, because 41255421021 - 2³ = 41255421013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41255421121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55901286 + ... + 55902023.

It is an arithmetic number, because the mean of its divisors is an integer number (5087050605).

Almost surely, 2^41255421021 is an apocalyptic number.

41255421021 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

41255421021 is a deficient number, since it is larger than the sum of its proper divisors (19789186239).

41255421021 is a wasteful number, since it uses less digits than its factorization.

41255421021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111803356 (or 111803353 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

Adding to 41255421021 its reverse (12012455214), we get a palindrome (53267876235).

The spelling of 41255421021 in words is "forty-one billion, two hundred fifty-five million, four hundred twenty-one thousand, twenty-one".