1108774481 has 4 divisors (see below), whose sum is σ = 1109431092. Its totient is φ = 1108117872.

The previous prime is 1108774451. The next prime is 1108774483. The reversal of 1108774481 is 1844778011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1844778011 = 607 ⋅3039173.

It can be written as a sum of positive squares in 2 ways, for example, as 219780625 + 888993856 = 14825^2 + 29816^2 .

It is a cyclic number.

It is not a de Polignac number, because 1108774481 - 2¹⁴ = 1108758097 is a prime.

It is a super-2 number, since 2×1108774481² = 2458761699433638722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1108774483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 325766 + ... + 329151.

It is an arithmetic number, because the mean of its divisors is an integer number (277357773).

Almost surely, 2^1108774481 is an apocalyptic number.

It is an amenable number.

1108774481 is a deficient number, since it is larger than the sum of its proper divisors (656611).

1108774481 is an equidigital number, since it uses as much as digits as its factorization.

1108774481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656610.

The product of its (nonzero) digits is 50176, while the sum is 41.

The square root of 1108774481 is about 33298.2654353046. The cubic root of 1108774481 is about 1035.0176138025.

The spelling of 1108774481 in words is "one billion, one hundred eight million, seven hundred seventy-four thousand, four hundred eighty-one".