112515321500 has 144 divisors (see below), whose sum is σ = 264981907008. Its totient is φ = 41656560000.

The previous prime is 112515321493. The next prime is 112515321533. The reversal of 112515321500 is 5123515211.

It is a self number, because there is not a number n which added to its sum of digits gives 112515321500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11046410 + ... + 11056590.

It is an arithmetic number, because the mean of its divisors is an integer number (1840152132).

Almost surely, 2^112515321500 is an apocalyptic number.

112515321500 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 112515321500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132490953504).

112515321500 is an abundant number, since it is smaller than the sum of its proper divisors (152466585508).

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

112515321500 is a wasteful number, since it uses less digits than its factorization.

112515321500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10285 (or 10242 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 26.

Adding to 112515321500 its reverse (5123515211), we get a palindrome (117638836711).

The spelling of 112515321500 in words is "one hundred twelve billion, five hundred fifteen million, three hundred twenty-one thousand, five hundred".