1109982863808 has 168 divisors, whose sum is σ = 3915773065568. Its totient is φ = 292742719488.

The previous prime is 1109982863807. The next prime is 1109982863809. The reversal of 1109982863808 is 8083682899011.

It is a happy number.

1109982863808 is a `hidden beast` number, since 1 + 10 + 99 + 82 + 86 + 380 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (1109982863807) and next prime (1109982863809).

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1109982863807) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10535791 + ... + 10640622.

Almost surely, 2^{1109982863808} is an apocalyptic number.

1109982863808 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1109982863808 is an abundant number, since it is smaller than the sum of its proper divisors (2805790201760).

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

1109982863808 is a wasteful number, since it uses less digits than its factorization.

1109982863808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21176451 (or 21176438 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 63.

The spelling of 1109982863808 in words is "one trillion, one hundred nine billion, nine hundred eighty-two million, eight hundred sixty-three thousand, eight hundred eight".