65541126532603 has 4 divisors (see below), whose sum is σ = 65884273792128. Its totient is φ = 65197979273080.

The previous prime is 65541126532537. The next prime is 65541126532627. The reversal of 65541126532603 is 30623562114556.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65541126532603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65541126532003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171573629476 + ... + 171573629857.

It is an arithmetic number, because the mean of its divisors is an integer number (16471068448032).

Almost surely, 2^{65541126532603} is an apocalyptic number.

65541126532603 is a deficient number, since it is larger than the sum of its proper divisors (343147259525).

65541126532603 is a wasteful number, since it uses less digits than its factorization.

65541126532603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343147259524.

The product of its (nonzero) digits is 3888000, while the sum is 49.

The spelling of 65541126532603 in words is "sixty-five trillion, five hundred forty-one billion, one hundred twenty-six million, five hundred thirty-two thousand, six hundred three".