113222531250 has 252 divisors, whose sum is σ = 320973508674. Its totient is φ = 28842000000.

The previous prime is 113222531231. The next prime is 113222531251. The reversal of 113222531250 is 52135222311.

113222531250 is a `hidden beast` number, since 1 + 1 + 322 + 25 + 312 + 5 + 0 = 666.

It can be written as a sum of positive squares in 7 ways, for example, as 97226099721 + 15996431529 = 311811^2 + 126477^2 .

It is not an unprimeable number, because it can be changed into a prime (113222531251) 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 125 ways as a sum of consecutive naturals, for example, 148780870 + ... + 148781630.

Almost surely, 2^113222531250 is an apocalyptic number.

113222531250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 113222531250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160486754337).

113222531250 is an abundant number, since it is smaller than the sum of its proper divisors (207750977424).

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

113222531250 is an frugal number, since it uses more digits than its factorization.

113222531250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845 (or 794 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 113222531250 its reverse (52135222311), we get a palindrome (165357753561).

The spelling of 113222531250 in words is "one hundred thirteen billion, two hundred twenty-two million, five hundred thirty-one thousand, two hundred fifty".