91041441541 has 8 divisors (see below), whose sum is σ = 91305469184. Its totient is φ = 90777501360.

The previous prime is 91041441497. The next prime is 91041441559. The reversal of 91041441541 is 14514414019.

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 91041441541 - 2¹¹ = 91041439493 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 91041441497 and 91041441506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91041441041) 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, 2470336 + ... + 2506918.

It is an arithmetic number, because the mean of its divisors is an integer number (11413183648).

Almost surely, 2^91041441541 is an apocalyptic number.

It is an amenable number.

91041441541 is a deficient number, since it is larger than the sum of its proper divisors (264027643).

91041441541 is a wasteful number, since it uses less digits than its factorization.

91041441541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43731.

The product of its (nonzero) digits is 11520, while the sum is 34.

The spelling of 91041441541 in words is "ninety-one billion, forty-one million, four hundred forty-one thousand, five hundred forty-one".