1101819488 has 144 divisors (see below), whose sum is σ = 2779951104. Its totient is φ = 425053440.

The previous prime is 1101819479. The next prime is 1101819497. The reversal of 1101819488 is 8849181011.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1101819479) and next prime (1101819497).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2190245 + ... + 2190747.

It is an arithmetic number, because the mean of its divisors is an integer number (19305216).

Almost surely, 2^1101819488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1101819488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1389975552).

1101819488 is an abundant number, since it is smaller than the sum of its proper divisors (1678131616).

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

1101819488 is a wasteful number, since it uses less digits than its factorization.

1101819488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665 (or 650 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 41.

The square root of 1101819488 is about 33193.6663838148. Note that the first 3 decimals coincide. The cubic root of 1101819488 is about 1032.8489598979.

The spelling of 1101819488 in words is "one billion, one hundred one million, eight hundred nineteen thousand, four hundred eighty-eight".