1112005780 has 48 divisors (see below), whose sum is σ = 2487804480. Its totient is φ = 416302848.

The previous prime is 1112005747. The next prime is 1112005789. The reversal of 1112005780 is 875002111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112005789) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13912 + ... + 49168.

It is an arithmetic number, because the mean of its divisors is an integer number (51829260).

Almost surely, 2^1112005780 is an apocalyptic number.

1112005780 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 1112005780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1243902240).

1112005780 is an abundant number, since it is smaller than the sum of its proper divisors (1375798700).

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

1112005780 is a wasteful number, since it uses less digits than its factorization.

1112005780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35368 (or 35366 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 25.

The square root of 1112005780 is about 33346.7506662943. The cubic root of 1112005780 is about 1036.0220884961.

Adding to 1112005780 its reverse (875002111), we get a palindrome (1987007891).

The spelling of 1112005780 in words is "one billion, one hundred twelve million, five thousand, seven hundred eighty".