1109800973736 has 512 divisors, whose sum is σ = 3880275840000. Its totient is φ = 292041179136.

The previous prime is 1109800973731. The next prime is 1109800973737. The reversal of 1109800973736 is 6373790089011.

1109800973736 is a `hidden beast` number, since 1 + 109 + 80 + 0 + 97 + 373 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (1109800973731) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 555733090 + ... + 555735086.

It is an arithmetic number, because the mean of its divisors is an integer number (7578663750).

Almost surely, 2^{1109800973736} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1109800973736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1940137920000).

1109800973736 is an abundant number, since it is smaller than the sum of its proper divisors (2770474866264).

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

1109800973736 is a wasteful number, since it uses less digits than its factorization.

1109800973736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2623 (or 2599 counting only the distinct ones).

The product of its (nonzero) digits is 1714608, while the sum is 54.

The spelling of 1109800973736 in words is "one trillion, one hundred nine billion, eight hundred million, nine hundred seventy-three thousand, seven hundred thirty-six".