528085723005 has 48 divisors (see below), whose sum is σ = 917044844976. Its totient is φ = 281124311040.

The previous prime is 528085723001. The next prime is 528085723007. The reversal of 528085723005 is 500327580825.

It can be written as a sum of positive squares in 8 ways, for example, as 40767244281 + 487318478724 = 201909^2 + 698082^2 .

It is not a de Polignac number, because 528085723005 - 2² = 528085723001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (528085723001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 63216909 + ... + 63225261.

It is an arithmetic number, because the mean of its divisors is an integer number (19105100937).

Almost surely, 2^528085723005 is an apocalyptic number.

It is an amenable number.

528085723005 is a deficient number, since it is larger than the sum of its proper divisors (388959121971).

528085723005 is a wasteful number, since it uses less digits than its factorization.

528085723005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10798 (or 10795 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 45.

The spelling of 528085723005 in words is "five hundred twenty-eight billion, eighty-five million, seven hundred twenty-three thousand, five".