1100789952 has 84 divisors (see below), whose sum is σ = 2945053800. Its totient is φ = 362872832.

The previous prime is 1100789951. The next prime is 1100789953. The reversal of 1100789952 is 2599870011.

It is an interprime number because it is at equal distance from previous prime (1100789951) and next prime (1100789953).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1100789951) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2451424 + ... + 2451872.

Almost surely, 2^1100789952 is an apocalyptic number.

1100789952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1100789952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1472526900).

1100789952 is an abundant number, since it is smaller than the sum of its proper divisors (1844263848).

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

1100789952 is an equidigital number, since it uses as much as digits as its factorization.

1100789952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690 (or 567 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 42.

The square root of 1100789952 is about 33178.1547407326. The cubic root of 1100789952 is about 1032.5271629161.

The spelling of 1100789952 in words is "one billion, one hundred million, seven hundred eighty-nine thousand, nine hundred fifty-two".