1111152480 has 192 divisors, whose sum is σ = 3621252096. Its totient is φ = 286208000.

The previous prime is 1111152467. The next prime is 1111152481. The reversal of 1111152480 is 842511111.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1111152480.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111152481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2577865 + ... + 2578295.

It is an arithmetic number, because the mean of its divisors is an integer number (18860688).

Almost surely, 2^1111152480 is an apocalyptic number.

1111152480 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 1111152480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1810626048).

1111152480 is an abundant number, since it is smaller than the sum of its proper divisors (2510099616).

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

1111152480 is a wasteful number, since it uses less digits than its factorization.

1111152480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621 (or 613 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 24.

The square root of 1111152480 is about 33333.9538608908. The cubic root of 1111152480 is about 1035.7570227674.

Adding to 1111152480 its reverse (842511111), we get a palindrome (1953663591).

The spelling of 1111152480 in words is "one billion, one hundred eleven million, one hundred fifty-two thousand, four hundred eighty".