91335244054541 has 8 divisors (see below), whose sum is σ = 97595133962040. Its totient is φ = 85173935090688.

The previous prime is 91335244054513. The next prime is 91335244054589. The reversal of 91335244054541 is 14545044253319.

It can be written as a sum of positive squares in 4 ways, for example, as 42917513913316 + 48417730141225 = 6551146^2 + 6958285^2 .

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 91335244054541 - 2³⁰ = 91334170312717 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 91335244054541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91335244050541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24645233996 + ... + 24645237701.

It is an arithmetic number, because the mean of its divisors is an integer number (12199391745255).

Almost surely, 2^{91335244054541} is an apocalyptic number.

It is an amenable number.

91335244054541 is a deficient number, since it is larger than the sum of its proper divisors (6259889907499).

91335244054541 is a wasteful number, since it uses less digits than its factorization.

91335244054541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49290471823.

The product of its (nonzero) digits is 5184000, while the sum is 50.

The spelling of 91335244054541 in words is "ninety-one trillion, three hundred thirty-five billion, two hundred forty-four million, fifty-four thousand, five hundred forty-one".