1055105605 has 16 divisors (see below), whose sum is σ = 1272708720. Its totient is φ = 839711232.

The previous prime is 1055105537. The next prime is 1055105617. The reversal of 1055105605 is 5065015501.

It can be written as a sum of positive squares in 8 ways, for example, as 5280804 + 1049824801 = 2298^2 + 32401^2 .

It is a cyclic number.

It is not a de Polignac number, because 1055105605 - 2⁷ = 1055105477 is a prime.

It is a super-2 number, since 2×1055105605² = 2226495675404832050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1272331 + ... + 1273159.

It is an arithmetic number, because the mean of its divisors is an integer number (79544295).

Almost surely, 2^1055105605 is an apocalyptic number.

It is an amenable number.

1055105605 is a deficient number, since it is larger than the sum of its proper divisors (217603115).

1055105605 is an equidigital number, since it uses as much as digits as its factorization.

1055105605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1848.

The product of its (nonzero) digits is 3750, while the sum is 28.

The square root of 1055105605 is about 32482.3891516619. The cubic root of 1055105605 is about 1018.0410964917.

The spelling of 1055105605 in words is "one billion, fifty-five million, one hundred five thousand, six hundred five".