528107122481 has 4 divisors (see below), whose sum is σ = 528109761264. Its totient is φ = 528104483700.

The previous prime is 528107122463. The next prime is 528107122493. The reversal of 528107122481 is 184221701825.

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 not a de Polignac number, because 528107122481 - 2²⁶ = 528040013617 is a prime.

It is a super-2 number, since 2×528107122481² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (528107152481) 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, 992135 + ... + 1428476.

It is an arithmetic number, because the mean of its divisors is an integer number (132027440316).

Almost surely, 2^528107122481 is an apocalyptic number.

It is an amenable number.

528107122481 is a deficient number, since it is larger than the sum of its proper divisors (2638783).

528107122481 is a wasteful number, since it uses less digits than its factorization.

528107122481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2638782.

The product of its (nonzero) digits is 71680, while the sum is 41.

The spelling of 528107122481 in words is "five hundred twenty-eight billion, one hundred seven million, one hundred twenty-two thousand, four hundred eighty-one".