1105149993 has 16 divisors (see below), whose sum is σ = 1518224256. Its totient is φ = 714752640.

The previous prime is 1105149973. The next prime is 1105150001. The reversal of 1105149993 is 3999415011.

It is not a de Polignac number, because 1105149993 - 2²² = 1100955689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1105149973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28005 + ... + 54722.

It is an arithmetic number, because the mean of its divisors is an integer number (94889016).

Almost surely, 2^1105149993 is an apocalyptic number.

It is an amenable number.

1105149993 is a deficient number, since it is larger than the sum of its proper divisors (413074263).

1105149993 is an equidigital number, since it uses as much as digits as its factorization.

1105149993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82864.

The product of its (nonzero) digits is 43740, while the sum is 42.

The square root of 1105149993 is about 33243.7963084844. The cubic root of 1105149993 is about 1033.8885882876. Note that the first 3 decimals are identical.

The spelling of 1105149993 in words is "one billion, one hundred five million, one hundred forty-nine thousand, nine hundred ninety-three".