100133511500 has 96 divisors (see below), whose sum is σ = 238977490752. Its totient is φ = 36350400000.

The previous prime is 100133511481. The next prime is 100133511539. The reversal of 100133511500 is 5115331001.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3290354 + ... + 3320646.

It is an arithmetic number, because the mean of its divisors is an integer number (2489348862).

Almost surely, 2^100133511500 is an apocalyptic number.

100133511500 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 100133511500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119488745376).

100133511500 is an abundant number, since it is smaller than the sum of its proper divisors (138843979252).

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

100133511500 is a wasteful number, since it uses less digits than its factorization.

100133511500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30924 (or 30912 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 20.

Adding to 100133511500 its reverse (5115331001), we get a palindrome (105248842501).

The spelling of 100133511500 in words is "one hundred billion, one hundred thirty-three million, five hundred eleven thousand, five hundred".