1011118160 has 40 divisors (see below), whose sum is σ = 2531686920. Its totient is φ = 373335552.

The previous prime is 1011118139. The next prime is 1011118169. The reversal of 1011118160 is 618111101.

It can be written as a sum of positive squares in 4 ways, for example, as 111598096 + 899520064 = 10564^2 + 29992^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011118169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 485075 + ... + 487154.

It is an arithmetic number, because the mean of its divisors is an integer number (63292173).

Almost surely, 2^1011118160 is an apocalyptic number.

1011118160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011118160 is an abundant number, since it is smaller than the sum of its proper divisors (1520568760).

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

1011118160 is a wasteful number, since it uses less digits than its factorization.

1011118160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972255 (or 972249 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 20.

The square root of 1011118160 is about 31798.0842190217. The cubic root of 1011118160 is about 1003.6924027150.

Adding to 1011118160 its reverse (618111101), we get a palindrome (1629229261).

The spelling of 1011118160 in words is "one billion, eleven million, one hundred eighteen thousand, one hundred sixty".