1111553320 has 32 divisors (see below), whose sum is σ = 2503065600. Its totient is φ = 444253248.

The previous prime is 1111553299. The next prime is 1111553369. The reversal of 1111553320 is 233551111.

It is a junction number, because it is equal to n+sod(n) for n = 1111553291 and 1111553300.

It is an unprimeable number.

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, 40297 + ... + 62023.

It is an arithmetic number, because the mean of its divisors is an integer number (78220800).

Almost surely, 2^1111553320 is an apocalyptic number.

1111553320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111553320 is an abundant number, since it is smaller than the sum of its proper divisors (1391512280).

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

1111553320 is a wasteful number, since it uses less digits than its factorization.

1111553320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23017 (or 23013 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 1111553320 is about 33339.9658068211. The cubic root of 1111553320 is about 1035.8815550103.

The spelling of 1111553320 in words is "one billion, one hundred eleven million, five hundred fifty-three thousand, three hundred twenty".