528651522081 has 12 divisors (see below), whose sum is σ = 791889523152. Its totient is φ = 352434347892.

The previous prime is 528651522073. The next prime is 528651522131. The reversal of 528651522081 is 180225156825.

528651522081 is a `hidden beast` number, since 52 + 8 + 6 + 515 + 2 + 2 + 0 + 81 = 666.

It is not a de Polignac number, because 528651522081 - 2³ = 528651522073 is a prime.

It is a super-2 number, since 2×528651522081² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (528651522011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1087760091 + ... + 1087760576.

It is an arithmetic number, because the mean of its divisors is an integer number (65990793596).

Almost surely, 2^528651522081 is an apocalyptic number.

It is an amenable number.

528651522081 is a deficient number, since it is larger than the sum of its proper divisors (263238001071).

528651522081 is an equidigital number, since it uses as much as digits as its factorization.

528651522081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2175520682 (or 2175520670 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 45.

The spelling of 528651522081 in words is "five hundred twenty-eight billion, six hundred fifty-one million, five hundred twenty-two thousand, eighty-one".