1011065160 has 128 divisors (see below), whose sum is σ = 3478360320. Its totient is φ = 230310912.

The previous prime is 1011065141. The next prime is 1011065171. The reversal of 1011065160 is 615601101.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 264382 + ... + 268178.

It is an arithmetic number, because the mean of its divisors is an integer number (27174690).

Almost surely, 2^1011065160 is an apocalyptic number.

1011065160 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 1011065160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1739180160).

1011065160 is an abundant number, since it is smaller than the sum of its proper divisors (2467295160).

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

1011065160 is a wasteful number, since it uses less digits than its factorization.

1011065160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4135 (or 4131 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 1011065160 is about 31797.2508245603. The cubic root of 1011065160 is about 1003.6748654877.

Adding to 1011065160 its reverse (615601101), we get a palindrome (1626666261).

The spelling of 1011065160 in words is "one billion, eleven million, sixty-five thousand, one hundred sixty".