45991086541 has 4 divisors (see below), whose sum is σ = 45991553632. Its totient is φ = 45990619452.

The previous prime is 45991086523. The next prime is 45991086551. The reversal of 45991086541 is 14568019954.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 45991086541 - 2³⁵ = 11631348173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45991086521) 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 3 ways as a sum of consecutive naturals, for example, 21945 + ... + 304078.

It is an arithmetic number, because the mean of its divisors is an integer number (11497888408).

Almost surely, 2^45991086541 is an apocalyptic number.

It is an amenable number.

45991086541 is a deficient number, since it is larger than the sum of its proper divisors (467091).

45991086541 is a wasteful number, since it uses less digits than its factorization.

45991086541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467090.

The product of its (nonzero) digits is 1555200, while the sum is 52.

The spelling of 45991086541 in words is "forty-five billion, nine hundred ninety-one million, eighty-six thousand, five hundred forty-one".