41955598081 has 4 divisors (see below), whose sum is σ = 42107062612. Its totient is φ = 41804133552.

The previous prime is 41955598037. The next prime is 41955598099. The reversal of 41955598081 is 18089555914.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5840016400 + 36115581681 = 76420^2 + 190041^2 .

It is a cyclic number.

It is not a de Polignac number, because 41955598081 - 2⁹ = 41955597569 is a prime.

It is a super-2 number, since 2×41955598081² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41955898081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75731850 + ... + 75732403.

It is an arithmetic number, because the mean of its divisors is an integer number (10526765653).

Almost surely, 2^41955598081 is an apocalyptic number.

It is an amenable number.

41955598081 is a deficient number, since it is larger than the sum of its proper divisors (151464531).

41955598081 is a wasteful number, since it uses less digits than its factorization.

41955598081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151464530.

The product of its (nonzero) digits is 2592000, while the sum is 55.

The spelling of 41955598081 in words is "forty-one billion, nine hundred fifty-five million, five hundred ninety-eight thousand, eighty-one".