113215125400 has 96 divisors (see below), whose sum is σ = 283593723840. Its totient is φ = 41784744960.

The previous prime is 113215125367. The next prime is 113215125427. The reversal of 113215125400 is 4521512311.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 7186332 + ... + 7202068.

It is an arithmetic number, because the mean of its divisors is an integer number (2954101290).

Almost surely, 2^113215125400 is an apocalyptic number.

113215125400 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 113215125400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141796861920).

113215125400 is an abundant number, since it is smaller than the sum of its proper divisors (170378598440).

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

113215125400 is a wasteful number, since it uses less digits than its factorization.

113215125400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18533 (or 18524 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 113215125400 its reverse (4521512311), we get a palindrome (117736637711).

The spelling of 113215125400 in words is "one hundred thirteen billion, two hundred fifteen million, one hundred twenty-five thousand, four hundred".