528088661101 has 4 divisors (see below), whose sum is σ = 530143481052. Its totient is φ = 526033841152.

The previous prime is 528088661081. The next prime is 528088661117. The reversal of 528088661101 is 101166880825.

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

It can be written as a sum of positive squares in 2 ways, for example, as 397965414025 + 130123247076 = 630845^2 + 360726^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-528088661101 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 (528088661141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1027409590 + ... + 1027410103.

It is an arithmetic number, because the mean of its divisors is an integer number (132535870263).

Almost surely, 2^528088661101 is an apocalyptic number.

It is an amenable number.

528088661101 is a deficient number, since it is larger than the sum of its proper divisors (2054819951).

528088661101 is a wasteful number, since it uses less digits than its factorization.

528088661101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2054819950.

The product of its (nonzero) digits is 184320, while the sum is 46.

The spelling of 528088661101 in words is "five hundred twenty-eight billion, eighty-eight million, six hundred sixty-one thousand, one hundred one".