1081755845 has 8 divisors (see below), whose sum is σ = 1298297376. Its totient is φ = 865277776.

The previous prime is 1081755839. The next prime is 1081755847. The reversal of 1081755845 is 5485571801.

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 1081755845 - 2²⁰ = 1080707269 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1081755796 and 1081755805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081755847) 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, 38714 + ... + 60516.

It is an arithmetic number, because the mean of its divisors is an integer number (162287172).

Almost surely, 2^1081755845 is an apocalyptic number.

It is an amenable number.

1081755845 is a deficient number, since it is larger than the sum of its proper divisors (216541531).

1081755845 is an equidigital number, since it uses as much as digits as its factorization.

1081755845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31731.

The product of its (nonzero) digits is 224000, while the sum is 44.

The square root of 1081755845 is about 32890.0569321490. The cubic root of 1081755845 is about 1026.5412767232.

The spelling of 1081755845 in words is "one billion, eighty-one million, seven hundred fifty-five thousand, eight hundred forty-five".