113020452520 has 32 divisors (see below), whose sum is σ = 254424693600. Its totient is φ = 45185305408.

The previous prime is 113020452403. The next prime is 113020452527. The reversal of 113020452520 is 25254020311.

It is a super-3 number, since 3×113020452520³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (113020452527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 634714 + ... + 793033.

It is an arithmetic number, because the mean of its divisors is an integer number (7950771675).

Almost surely, 2^113020452520 is an apocalyptic number.

113020452520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113020452520 is an abundant number, since it is smaller than the sum of its proper divisors (141404241080).

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

113020452520 is a wasteful number, since it uses less digits than its factorization.

113020452520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1429737 (or 1429733 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 113020452520 its reverse (25254020311), we get a palindrome (138274472831).

The spelling of 113020452520 in words is "one hundred thirteen billion, twenty million, four hundred fifty-two thousand, five hundred twenty".