1108861417920 has 224 divisors, whose sum is σ = 3600523883520. Its totient is φ = 289060761600.

The previous prime is 1108861417919. The next prime is 1108861417943. The reversal of 1108861417920 is 297141688011.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 1108861417920.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7587459 + ... + 7732221.

Almost surely, 2^{1108861417920} is an apocalyptic number.

1108861417920 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 1108861417920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1800261941760).

1108861417920 is an abundant number, since it is smaller than the sum of its proper divisors (2491662465600).

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

1108861417920 is a wasteful number, since it uses less digits than its factorization.

1108861417920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144963 (or 144953 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 48.

The spelling of 1108861417920 in words is "one trillion, one hundred eight billion, eight hundred sixty-one million, four hundred seventeen thousand, nine hundred twenty".