1081840411 has 8 divisors (see below), whose sum is σ = 1140008400. Its totient is φ = 1023795360.

The previous prime is 1081840381. The next prime is 1081840453. The reversal of 1081840411 is 1140481801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1081840411 - 2¹⁷ = 1081709339 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1081840411.

It is not an unprimeable number, because it can be changed into a prime (1081840211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12376 + ... + 48133.

It is an arithmetic number, because the mean of its divisors is an integer number (142501050).

Almost surely, 2^1081840411 is an apocalyptic number.

1081840411 is a deficient number, since it is larger than the sum of its proper divisors (58167989).

1081840411 is an equidigital number, since it uses as much as digits as its factorization.

1081840411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61469.

The product of its (nonzero) digits is 1024, while the sum is 28.

The square root of 1081840411 is about 32891.3424931242. The cubic root of 1081840411 is about 1026.5680258976.

The spelling of 1081840411 in words is "one billion, eighty-one million, eight hundred forty thousand, four hundred eleven".