1083555005 has 8 divisors (see below), whose sum is σ = 1400286552. Its totient is φ = 800163648.

The previous prime is 1083554977. The next prime is 1083555007. The reversal of 1083555005 is 5005553801.

It can be written as a sum of positive squares in 4 ways, for example, as 1737124 + 1081817881 = 1318^2 + 32891^2 .

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 1083555005 - 2¹⁰ = 1083553981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1083555007) 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, 8334974 + ... + 8335103.

It is an arithmetic number, because the mean of its divisors is an integer number (175035819).

Almost surely, 2^1083555005 is an apocalyptic number.

It is an amenable number.

1083555005 is a deficient number, since it is larger than the sum of its proper divisors (316731547).

1083555005 is a wasteful number, since it uses less digits than its factorization.

1083555005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16670095.

The product of its (nonzero) digits is 15000, while the sum is 32.

The square root of 1083555005 is about 32917.3966923267. The cubic root of 1083555005 is about 1027.1100708241.

The spelling of 1083555005 in words is "one billion, eighty-three million, five hundred fifty-five thousand, five".