528747515065 has 16 divisors (see below), whose sum is σ = 791061217920. Its totient is φ = 329608840320.

The previous prime is 528747515053. The next prime is 528747515069. The reversal of 528747515065 is 560515747825.

It is a happy number.

It is not a de Polignac number, because 528747515065 - 2⁵ = 528747515033 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a junction number, because it is equal to n+sod(n) for n = 528747514997 and 528747515015.

It is not an unprimeable number, because it can be changed into a prime (528747515069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 686684700 + ... + 686685469.

It is an arithmetic number, because the mean of its divisors is an integer number (49441326120).

Almost surely, 2^528747515065 is an apocalyptic number.

528747515065 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

528747515065 is a deficient number, since it is larger than the sum of its proper divisors (262313702855).

528747515065 is a wasteful number, since it uses less digits than its factorization.

528747515065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1373370192.

The product of its (nonzero) digits is 11760000, while the sum is 55.

The spelling of 528747515065 in words is "five hundred twenty-eight billion, seven hundred forty-seven million, five hundred fifteen thousand, sixty-five".