100818000000 has 448 divisors, whose sum is σ = 372135861600. Its totient is φ = 26870400000.

The previous prime is 100817999981. The next prime is 100818000029. The reversal of 100818000000 is 818001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 53999067 + ... + 54000933.

Almost surely, 2^100818000000 is an apocalyptic number.

100818000000 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 100818000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186067930800).

100818000000 is an abundant number, since it is smaller than the sum of its proper divisors (271317861600).

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

100818000000 is an frugal number, since it uses more digits than its factorization.

100818000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1920 (or 1877 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 100818000000 its reverse (818001), we get a palindrome (100818818001).

The spelling of 100818000000 in words is "one hundred billion, eight hundred eighteen million", and thus it is an aban number.