561528532752 has 80 divisors (see below), whose sum is σ = 1621086868800. Its totient is φ = 166009907200.

The previous prime is 561528532739. The next prime is 561528532813. The reversal of 561528532752 is 257235825165.

561528532752 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×561528532752² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 561528532695 and 561528532704.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12947877 + ... + 12991172.

It is an arithmetic number, because the mean of its divisors is an integer number (20263585860).

Almost surely, 2^561528532752 is an apocalyptic number.

It is an amenable number.

561528532752 is an abundant number, since it is smaller than the sum of its proper divisors (1059558336048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

561528532752 is a wasteful number, since it uses less digits than its factorization.

561528532752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25939112 (or 25939106 counting only the distinct ones).

The product of its digits is 5040000, while the sum is 51.

The spelling of 561528532752 in words is "five hundred sixty-one billion, five hundred twenty-eight million, five hundred thirty-two thousand, seven hundred fifty-two".