41591523601 has 8 divisors (see below), whose sum is σ = 43028545320. Its totient is φ = 40154690688.

The previous prime is 41591523577. The next prime is 41591523607. The reversal of 41591523601 is 10632519514.

It is a Cunningham number, because it is equal to 203940²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 213861376 + 41377662225 = 14624^2 + 203415^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 41591523601 - 2¹⁵ = 41591490833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41591523607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 514405 + ... + 589741.

It is an arithmetic number, because the mean of its divisors is an integer number (5378568165).

Almost surely, 2^41591523601 is an apocalyptic number.

It is an amenable number.

41591523601 is a deficient number, since it is larger than the sum of its proper divisors (1437021719).

41591523601 is a wasteful number, since it uses less digits than its factorization.

41591523601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94403.

The product of its (nonzero) digits is 32400, while the sum is 37.

The spelling of 41591523601 in words is "forty-one billion, five hundred ninety-one million, five hundred twenty-three thousand, six hundred one".