1116011520 has 616 divisors, whose sum is σ = 4510539936. Its totient is φ = 262766592.

The previous prime is 1116011503. The next prime is 1116011521. The reversal of 1116011520 is 251106111.

It is a happy number.

1116011520 is a `hidden beast` number, since 1 + 11 + 601 + 1 + 52 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1116011493 and 1116011502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116011521) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 48522229 + ... + 48522251.

Almost surely, 2^1116011520 is an apocalyptic number.

1116011520 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 1116011520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2255269968).

1116011520 is an abundant number, since it is smaller than the sum of its proper divisors (3394528416).

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

1116011520 is an equidigital number, since it uses as much as digits as its factorization.

1116011520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79 (or 46 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 18.

The square root of 1116011520 is about 33406.7585976251. The cubic root of 1116011520 is about 1037.2646065861.

Adding to 1116011520 its reverse (251106111), we get a palindrome (1367117631).

The spelling of 1116011520 in words is "one billion, one hundred sixteen million, eleven thousand, five hundred twenty".