1119553216 has 56 divisors (see below), whose sum is σ = 2284445520. Its totient is φ = 544051200.

The previous prime is 1119553199. The next prime is 1119553217. The reversal of 1119553216 is 6123559111.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1119553217) 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, 867900 + ... + 869188.

It is an arithmetic number, because the mean of its divisors is an integer number (40793670).

Almost surely, 2^1119553216 is an apocalyptic number.

1119553216 is a gapful number since it is divisible by the number (16) 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 1119553216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1142222760).

1119553216 is an abundant number, since it is smaller than the sum of its proper divisors (1164892304).

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

1119553216 is a wasteful number, since it uses less digits than its factorization.

1119553216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1673 (or 1663 counting only the distinct ones).

The product of its digits is 8100, while the sum is 34.

The square root of 1119553216 is about 33459.7252827933. The cubic root of 1119553216 is about 1038.3607113323.

The spelling of 1119553216 in words is "one billion, one hundred nineteen million, five hundred fifty-three thousand, two hundred sixteen".