1065055520 has 24 divisors (see below), whose sum is σ = 2516194044. Its totient is φ = 426022144.

The previous prime is 1065055513. The next prime is 1065055531. The reversal of 1065055520 is 255505601.

It can be written as a sum of positive squares in 2 ways, for example, as 1034008336 + 31047184 = 32156^2 + 5572^2 .

It is a super-2 number, since 2×1065055520² = 2268686521364940800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3328139 + ... + 3328458.

Almost surely, 2^1065055520 is an apocalyptic number.

1065055520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1065055520 is an abundant number, since it is smaller than the sum of its proper divisors (1451138524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1065055520 is an equidigital number, since it uses as much as digits as its factorization.

1065055520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6656612 (or 6656604 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 29.

The square root of 1065055520 is about 32635.1883708368. The cubic root of 1065055520 is about 1021.2312185960.

The spelling of 1065055520 in words is "one billion, sixty-five million, fifty-five thousand, five hundred twenty".