100551110240 has 96 divisors (see below), whose sum is σ = 271608422400. Its totient is φ = 34459375104.

The previous prime is 100551110207. The next prime is 100551110249. The reversal of 100551110240 is 42011155001.

It is a super-2 number, since 2×100551110240² (a number of 23 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100551110249) 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, 2668169 + ... + 2705591.

It is an arithmetic number, because the mean of its divisors is an integer number (2829254400).

Almost surely, 2^100551110240 is an apocalyptic number.

100551110240 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 100551110240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135804211200).

100551110240 is an abundant number, since it is smaller than the sum of its proper divisors (171057312160).

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

100551110240 is a wasteful number, since it uses less digits than its factorization.

100551110240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39844 (or 39836 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 20.

Adding to 100551110240 its reverse (42011155001), we get a palindrome (142562265241).

The spelling of 100551110240 in words is "one hundred billion, five hundred fifty-one million, one hundred ten thousand, two hundred forty".