41255431334421 has 4 divisors (see below), whose sum is σ = 55007241779232. Its totient is φ = 27503620889612.

The previous prime is 41255431334417. The next prime is 41255431334459. The reversal of 41255431334421 is 12443313455214.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 41255431334421 - 2² = 41255431334417 is a prime.

It is a super-3 number, since 3×41255431334421³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41255432334421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6875905222401 + ... + 6875905222406.

It is an arithmetic number, because the mean of its divisors is an integer number (13751810444808).

Almost surely, 2^{41255431334421} is an apocalyptic number.

It is an amenable number.

41255431334421 is a deficient number, since it is larger than the sum of its proper divisors (13751810444811).

41255431334421 is a wasteful number, since it uses less digits than its factorization.

41255431334421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13751810444810.

The product of its digits is 691200, while the sum is 42.

Adding to 41255431334421 its reverse (12443313455214), we get a palindrome (53698744789635).

The spelling of 41255431334421 in words is "forty-one trillion, two hundred fifty-five billion, four hundred thirty-one million, three hundred thirty-four thousand, four hundred twenty-one".