1005541055 has 8 divisors (see below), whose sum is σ = 1223179152. Its totient is φ = 793412928.

The previous prime is 1005541051. The next prime is 1005541063. The reversal of 1005541055 is 5501455001.

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 1005541055 - 2² = 1005541051 is a prime.

It is a super-2 number, since 2×1005541055² = 2022225626581026050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005541051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1377089 + ... + 1377818.

It is an arithmetic number, because the mean of its divisors is an integer number (152897394).

Almost surely, 2^1005541055 is an apocalyptic number.

1005541055 is a deficient number, since it is larger than the sum of its proper divisors (217638097).

1005541055 is an equidigital number, since it uses as much as digits as its factorization.

1005541055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2754985.

The product of its (nonzero) digits is 2500, while the sum is 26.

The square root of 1005541055 is about 31710.2673435592. The cubic root of 1005541055 is about 1001.8436173197.

Adding to 1005541055 its reverse (5501455001), we get a palindrome (6506996056).

The spelling of 1005541055 in words is "one billion, five million, five hundred forty-one thousand, fifty-five".