113552454243220 has 72 divisors (see below), whose sum is σ = 239006207858040. Its totient is φ = 45317155553280.

The previous prime is 113552454243197. The next prime is 113552454243223. The reversal of 113552454243220 is 22342454255311.

It can be written as a sum of positive squares in 12 ways, for example, as 97862980775184 + 15689473468036 = 9892572^2 + 3960994^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113552454243223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16312660540 + ... + 16312667500.

It is an arithmetic number, because the mean of its divisors is an integer number (3319530664695).

Almost surely, 2^{113552454243220} is an apocalyptic number.

113552454243220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113552454243220 is an abundant number, since it is smaller than the sum of its proper divisors (125453753614820).

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

113552454243220 is an frugal number, since it uses more digits than its factorization.

113552454243220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9773 (or 8834 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 43.

The spelling of 113552454243220 in words is "one hundred thirteen trillion, five hundred fifty-two billion, four hundred fifty-four million, two hundred forty-three thousand, two hundred twenty".