526548128441 has 4 divisors (see below), whose sum is σ = 526561083984. Its totient is φ = 526535172900.

The previous prime is 526548128419. The next prime is 526548128471. The reversal of 526548128441 is 144821845625.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-526548128441 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 526548128441.

It is not an unprimeable number, because it can be changed into a prime (526548128411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6416615 + ... + 6498156.

It is an arithmetic number, because the mean of its divisors is an integer number (131640270996).

Almost surely, 2^526548128441 is an apocalyptic number.

It is an amenable number.

526548128441 is a deficient number, since it is larger than the sum of its proper divisors (12955543).

526548128441 is a wasteful number, since it uses less digits than its factorization.

526548128441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12955542.

The product of its digits is 2457600, while the sum is 50.

The spelling of 526548128441 in words is "five hundred twenty-six billion, five hundred forty-eight million, one hundred twenty-eight thousand, four hundred forty-one".