41231221135 has 16 divisors (see below), whose sum is σ = 53481526560. Its totient is φ = 30334469760.

The previous prime is 41231221127. The next prime is 41231221169. The reversal of 41231221135 is 53112213214.

It is not a de Polignac number, because 41231221135 - 2³ = 41231221127 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1161561 + ... + 1196530.

It is an arithmetic number, because the mean of its divisors is an integer number (3342595410).

Almost surely, 2^41231221135 is an apocalyptic number.

41231221135 is a deficient number, since it is larger than the sum of its proper divisors (12250305425).

41231221135 is a wasteful number, since it uses less digits than its factorization.

41231221135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2358378.

The product of its digits is 1440, while the sum is 25.

Adding to 41231221135 its reverse (53112213214), we get a palindrome (94343434349).

The spelling of 41231221135 in words is "forty-one billion, two hundred thirty-one million, two hundred twenty-one thousand, one hundred thirty-five".