1111132320 has 48 divisors (see below), whose sum is σ = 3500068320. Its totient is φ = 296301824.

The previous prime is 1111132307. The next prime is 1111132339. The reversal of 1111132320 is 232311111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1111132320.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1156950 + ... + 1157909.

It is an arithmetic number, because the mean of its divisors is an integer number (72918090).

Almost surely, 2^1111132320 is an apocalyptic number.

1111132320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111132320 is an abundant number, since it is smaller than the sum of its proper divisors (2388936000).

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

1111132320 is a wasteful number, since it uses less digits than its factorization.

1111132320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2314877 (or 2314869 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1111132320 is about 33333.6514651485. The cubic root of 1111132320 is about 1035.7507587043.

Adding to 1111132320 its reverse (232311111), we get a palindrome (1343443431).

The spelling of 1111132320 in words is "one billion, one hundred eleven million, one hundred thirty-two thousand, three hundred twenty".