112549515390 has 256 divisors, whose sum is σ = 331417497600. Its totient is φ = 27348347520.

The previous prime is 112549515383. The next prime is 112549515409. The reversal of 112549515390 is 93515945211.

112549515390 is a `hidden beast` number, since 1 + 1 + 2 + 5 + 49 + 515 + 3 + 90 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 127 ways as a sum of consecutive naturals, for example, 22457985 + ... + 22462995.

It is an arithmetic number, because the mean of its divisors is an integer number (1294599600).

Almost surely, 2^112549515390 is an apocalyptic number.

112549515390 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 112549515390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165708748800).

112549515390 is an abundant number, since it is smaller than the sum of its proper divisors (218867982210).

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

112549515390 is an equidigital number, since it uses as much as digits as its factorization.

112549515390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5131 (or 5113 counting only the distinct ones).

The product of its (nonzero) digits is 243000, while the sum is 45.

The spelling of 112549515390 in words is "one hundred twelve billion, five hundred forty-nine million, five hundred fifteen thousand, three hundred ninety".