113522612500 has 144 divisors (see below), whose sum is σ = 271551994560. Its totient is φ = 41180000000.

The previous prime is 113522612407. The next prime is 113522612501. The reversal of 113522612500 is 5216225311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113522612501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 78236775 + ... + 78238225.

It is an arithmetic number, because the mean of its divisors is an integer number (1885777740).

Almost surely, 2^113522612500 is an apocalyptic number.

113522612500 is a gapful number since it is divisible by the number (10) 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 113522612500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135775997280).

113522612500 is an abundant number, since it is smaller than the sum of its proper divisors (158029382060).

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

113522612500 is a wasteful number, since it uses less digits than its factorization.

113522612500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2060 (or 2038 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 113522612500 its reverse (5216225311), we get a palindrome (118738837811).

The spelling of 113522612500 in words is "one hundred thirteen billion, five hundred twenty-two million, six hundred twelve thousand, five hundred".