113105418438 has 8 divisors (see below), whose sum is σ = 226210836888. Its totient is φ = 37701806144.

The previous prime is 113105418409. The next prime is 113105418443. The reversal of 113105418438 is 834814501311.

It is a sphenic number, since it is the product of 3 distinct primes.

113105418438 is an admirable number.

It is a super-4 number, since 4×113105418438⁴ (a number of 45 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 113105418396 and 113105418405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9425451531 + ... + 9425451542.

It is an arithmetic number, because the mean of its divisors is an integer number (28276354611).

Almost surely, 2^113105418438 is an apocalyptic number.

113105418438 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

113105418438 is a wasteful number, since it uses less digits than its factorization.

113105418438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18850903078.

The product of its (nonzero) digits is 46080, while the sum is 39.

Adding to 113105418438 its reverse (834814501311), we get a palindrome (947919919749).

The spelling of 113105418438 in words is "one hundred thirteen billion, one hundred five million, four hundred eighteen thousand, four hundred thirty-eight".