1115420160 has 160 divisors (see below), whose sum is σ = 3584984832. Its totient is φ = 295854080.

The previous prime is 1115420143. The next prime is 1115420191. The reversal of 1115420160 is 610245111.

It is a tau number, because it is divible by the number of its divisors (160).

It is a congruent number.

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, 2388247 + ... + 2388713.

Almost surely, 2^1115420160 is an apocalyptic number.

1115420160 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 1115420160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1792492416).

1115420160 is an abundant number, since it is smaller than the sum of its proper divisors (2469564672).

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

1115420160 is an equidigital number, since it uses as much as digits as its factorization.

1115420160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804 (or 788 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 1115420160 is about 33397.9065212178. The cubic root of 1115420160 is about 1037.0813632049.

Adding to 1115420160 its reverse (610245111), we get a palindrome (1725665271).

The spelling of 1115420160 in words is "one billion, one hundred fifteen million, four hundred twenty thousand, one hundred sixty".