118113583100 has 72 divisors (see below), whose sum is σ = 266477246448. Its totient is φ = 45405043200.

The previous prime is 118113583099. The next prime is 118113583121. The reversal of 118113583100 is 1385311811.

It is a happy number.

It is a super-2 number, since 2×118113583100² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59714 + ... + 489686.

Almost surely, 2^118113583100 is an apocalyptic number.

118113583100 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 118113583100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133238623224).

118113583100 is an abundant number, since it is smaller than the sum of its proper divisors (148363663348).

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

118113583100 is a wasteful number, since it uses less digits than its factorization.

118113583100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430095 (or 430088 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 32.

Adding to 118113583100 its reverse (1385311811), we get a palindrome (119498894911).

The spelling of 118113583100 in words is "one hundred eighteen billion, one hundred thirteen million, five hundred eighty-three thousand, one hundred".