10818572820 has 288 divisors, whose sum is σ = 35145145728. Its totient is φ = 2464128000.

The previous prime is 10818572777. The next prime is 10818572837. The reversal of 10818572820 is 2827581801.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 23467390 + ... + 23467850.

It is an arithmetic number, because the mean of its divisors is an integer number (122031756).

Almost surely, 2^10818572820 is an apocalyptic number.

10818572820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10818572820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17572572864).

10818572820 is an abundant number, since it is smaller than the sum of its proper divisors (24326572908).

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

10818572820 is a wasteful number, since it uses less digits than its factorization.

10818572820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583 (or 550 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 42.

The spelling of 10818572820 in words is "ten billion, eight hundred eighteen million, five hundred seventy-two thousand, eight hundred twenty".