1055065605 has 32 divisors (see below), whose sum is σ = 1860582528. Its totient is φ = 506265600.

The previous prime is 1055065597. The next prime is 1055065607. The reversal of 1055065605 is 5065605501.

It is not a de Polignac number, because 1055065605 - 2³ = 1055065597 is a prime.

It is a super-2 number, since 2×1055065605² = 2226326861708032050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055065607) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16956 + ... + 48965.

It is an arithmetic number, because the mean of its divisors is an integer number (58143204).

Almost surely, 2^1055065605 is an apocalyptic number.

1055065605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1055065605 is a deficient number, since it is larger than the sum of its proper divisors (805516923).

1055065605 is a wasteful number, since it uses less digits than its factorization.

1055065605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66037.

The product of its (nonzero) digits is 22500, while the sum is 33.

The square root of 1055065605 is about 32481.7734275701. The cubic root of 1055065605 is about 1018.0282313787.

It can be divided in two parts, 105506 and 5605, that added together give a palindrome (111111).

The spelling of 1055065605 in words is "one billion, fifty-five million, sixty-five thousand, six hundred five".