1115355432 has 32 divisors (see below), whose sum is σ = 2830010400. Its totient is φ = 366235584.

The previous prime is 1115355421. The next prime is 1115355433. The reversal of 1115355432 is 2345535111.

It is a self number, because there is not a number n which added to its sum of digits gives 1115355432.

It is not an unprimeable number, because it can be changed into a prime (1115355433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 345207 + ... + 348422.

It is an arithmetic number, because the mean of its divisors is an integer number (88437825).

Almost surely, 2^1115355432 is an apocalyptic number.

1115355432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1115355432 is an abundant number, since it is smaller than the sum of its proper divisors (1714654968).

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

1115355432 is a wasteful number, since it uses less digits than its factorization.

1115355432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693705 (or 693701 counting only the distinct ones).

The product of its digits is 9000, while the sum is 30.

The square root of 1115355432 is about 33396.9374643844. The cubic root of 1115355432 is about 1037.0613021542.

The spelling of 1115355432 in words is "one billion, one hundred fifteen million, three hundred fifty-five thousand, four hundred thirty-two".