1108718443849 has 9 divisors (see below), whose sum is σ = 1117652054061. Its totient is φ = 1099855704780.

The previous prime is 1108718443843. The next prime is 1108718443867. The reversal of 1108718443849 is 9483448178011.

The square root of 1108718443849 is 1052957.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 1108718443849 - 2⁵ = 1108718443817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1108718443793 and 1108718443802.

It is not an unprimeable number, because it can be changed into a prime (1108718443843) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 133721394 + ... + 133729684.

Almost surely, 2^{1108718443849} is an apocalyptic number.

1108718443849 is the 1052957-th square number.

1108718443849 is the 526479-th centered octagonal number.

It is an amenable number.

1108718443849 is a deficient number, since it is larger than the sum of its proper divisors (8933610212).

1108718443849 is an frugal number, since it uses more digits than its factorization.

1108718443849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16836 (or 8418 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 58.

The spelling of 1108718443849 in words is "one trillion, one hundred eight billion, seven hundred eighteen million, four hundred forty-three thousand, eight hundred forty-nine".