1115573140 has 48 divisors (see below), whose sum is σ = 2666805120. Its totient is φ = 388023680.

The previous prime is 1115573111. The next prime is 1115573159. The reversal of 1115573140 is 413755111.

It is a junction number, because it is equal to n+sod(n) for n = 1115573099 and 1115573108.

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, 105175 + ... + 115294.

It is an arithmetic number, because the mean of its divisors is an integer number (55558440).

Almost surely, 2^1115573140 is an apocalyptic number.

1115573140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1115573140 is an abundant number, since it is smaller than the sum of its proper divisors (1551231980).

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

1115573140 is a wasteful number, since it uses less digits than its factorization.

1115573140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220512 (or 220510 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 28.

The square root of 1115573140 is about 33400.1967060076. The cubic root of 1115573140 is about 1037.1287729792.

The spelling of 1115573140 in words is "one billion, one hundred fifteen million, five hundred seventy-three thousand, one hundred forty".