113521343253440 has 56 divisors (see below), whose sum is σ = 270326533686720. Its totient is φ = 45407893091328.

The previous prime is 113521343253431. The next prime is 113521343253511. The reversal of 113521343253440 is 44352343125311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20400266 + ... + 25361654.

It is an arithmetic number, because the mean of its divisors is an integer number (4827259530120).

Almost surely, 2^{113521343253440} is an apocalyptic number.

113521343253440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113521343253440 is an abundant number, since it is smaller than the sum of its proper divisors (156805190433280).

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

113521343253440 is an equidigital number, since it uses as much as digits as its factorization.

113521343253440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5032909 (or 5032899 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 41.

Adding to 113521343253440 its reverse (44352343125311), we get a palindrome (157873686378751).

The spelling of 113521343253440 in words is "one hundred thirteen trillion, five hundred twenty-one billion, three hundred forty-three million, two hundred fifty-three thousand, four hundred forty".