113120412552 has 288 divisors, whose sum is σ = 364202092800. Its totient is φ = 31616863488.

The previous prime is 113120412551. The next prime is 113120412593. The reversal of 113120412552 is 255214021311.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (113120412551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 46416678 + ... + 46419114.

It is an arithmetic number, because the mean of its divisors is an integer number (1264590600).

Almost surely, 2^113120412552 is an apocalyptic number.

113120412552 is a gapful number since it is divisible by the number (12) 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 113120412552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182101046400).

113120412552 is an abundant number, since it is smaller than the sum of its proper divisors (251081680248).

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

113120412552 is a wasteful number, since it uses less digits than its factorization.

113120412552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2745 (or 2731 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 113120412552 its reverse (255214021311), we get a palindrome (368334433863).

The spelling of 113120412552 in words is "one hundred thirteen billion, one hundred twenty million, four hundred twelve thousand, five hundred fifty-two".