1098685411 has 4 divisors (see below), whose sum is σ = 1100294712. Its totient is φ = 1097076112.

The previous prime is 1098685403. The next prime is 1098685421. The reversal of 1098685411 is 1145868901.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1098685411 - 2³ = 1098685403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1098685421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 803626 + ... + 804991.

It is an arithmetic number, because the mean of its divisors is an integer number (275073678).

Almost surely, 2^1098685411 is an apocalyptic number.

1098685411 is a deficient number, since it is larger than the sum of its proper divisors (1609301).

1098685411 is an equidigital number, since it uses as much as digits as its factorization.

1098685411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1609300.

The product of its (nonzero) digits is 69120, while the sum is 43.

The square root of 1098685411 is about 33146.4238040848. The cubic root of 1098685411 is about 1031.8687321144.

The spelling of 1098685411 in words is "one billion, ninety-eight million, six hundred eighty-five thousand, four hundred eleven".