825555555528 has 64 divisors (see below), whose sum is σ = 2252657736000. Its totient is φ = 250041396480.

The previous prime is 825555555509. The next prime is 825555555529.

825555555528 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (825555555529) 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, 271603 + ... + 1313346.

It is an arithmetic number, because the mean of its divisors is an integer number (35197777125).

Almost surely, 2^825555555528 is an apocalyptic number.

825555555528 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

825555555528 is an abundant number, since it is smaller than the sum of its proper divisors (1427102180472).

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

825555555528 is a wasteful number, since it uses less digits than its factorization.

825555555528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1586942 (or 1586938 counting only the distinct ones).

The product of its digits is 100000000, while the sum is 60.

The spelling of 825555555528 in words is "eight hundred twenty-five billion, five hundred fifty-five million, five hundred fifty-five thousand, five hundred twenty-eight".