1065011560 has 64 divisors (see below), whose sum is σ = 2527200000. Its totient is φ = 402815232.

The previous prime is 1065011557. The next prime is 1065011611. The reversal of 1065011560 is 651105601.

It is a super-2 number, since 2×1065011560² = 2268499245867267200, which contains 22 as substring.

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, 545466 + ... + 547414.

It is an arithmetic number, because the mean of its divisors is an integer number (39487500).

Almost surely, 2^1065011560 is an apocalyptic number.

1065011560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1065011560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1263600000).

1065011560 is an abundant number, since it is smaller than the sum of its proper divisors (1462188440).

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

1065011560 is a wasteful number, since it uses less digits than its factorization.

1065011560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2698 (or 2694 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 1065011560 is about 32634.5148577392. The cubic root of 1065011560 is about 1021.2171680165.

The spelling of 1065011560 in words is "one billion, sixty-five million, eleven thousand, five hundred sixty".