113805051000 has 128 divisors (see below), whose sum is σ = 355284783360. Its totient is φ = 30329808000.

The previous prime is 113805050951. The next prime is 113805051001. The reversal of 113805051000 is 150508311.

It is a super-2 number, since 2×113805051000² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113805051001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5422527 + ... + 5443473.

It is an arithmetic number, because the mean of its divisors is an integer number (2775662370).

Almost surely, 2^113805051000 is an apocalyptic number.

113805051000 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 113805051000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177642391680).

113805051000 is an abundant number, since it is smaller than the sum of its proper divisors (241479732360).

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

113805051000 is a wasteful number, since it uses less digits than its factorization.

113805051000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22782 (or 22768 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 24.

Adding to 113805051000 its reverse (150508311), we get a palindrome (113955559311).

The spelling of 113805051000 in words is "one hundred thirteen billion, eight hundred five million, fifty-one thousand".