1109999952 has 30 divisors (see below), whose sum is σ = 3106458602. Its totient is φ = 369999936.

The previous prime is 1109999951. The next prime is 1109999953. The reversal of 1109999952 is 2599999011.

It is an interprime number because it is at equal distance from previous prime (1109999951) and next prime (1109999953).

It can be written as a sum of positive squares in only one way, i.e., 894967056 + 215032896 = 29916^2 + 14664^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1109999951) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3854023 + ... + 3854310.

Almost surely, 2^1109999952 is an apocalyptic number.

1109999952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1109999952 is an abundant number, since it is smaller than the sum of its proper divisors (1996458650).

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

1109999952 is a wasteful number, since it uses less digits than its factorization.

1109999952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7708347 (or 7708338 counting only the distinct ones).

The product of its (nonzero) digits is 590490, while the sum is 54.

The square root of 1109999952 is about 33316.6617775551. The cubic root of 1109999952 is about 1035.3987905237.

The spelling of 1109999952 in words is "one billion, one hundred nine million, nine hundred ninety-nine thousand, nine hundred fifty-two".