1108532891 has 2 divisors, whose sum is σ = 1108532892. Its totient is φ = 1108532890.

The previous prime is 1108532881. The next prime is 1108532899. The reversal of 1108532891 is 1982358011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1108532891 - 2¹⁸ = 1108270747 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1108532899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 554266445 + 554266446.

It is an arithmetic number, because the mean of its divisors is an integer number (554266446).

Almost surely, 2^1108532891 is an apocalyptic number.

1108532891 is a deficient number, since it is larger than the sum of its proper divisors (1).

1108532891 is an equidigital number, since it uses as much as digits as its factorization.

1108532891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 38.

The square root of 1108532891 is about 33294.6375712366. The cubic root of 1108532891 is about 1034.9424352840.

The spelling of 1108532891 in words is "one billion, one hundred eight million, five hundred thirty-two thousand, eight hundred ninety-one".