1118869050 has 192 divisors, whose sum is σ = 3135799296. Its totient is φ = 262137600.

The previous prime is 1118869043. The next prime is 1118869051. The reversal of 1118869050 is 509688111.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (1118869051) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 5017239 + ... + 5017461.

It is an arithmetic number, because the mean of its divisors is an integer number (16332288).

Almost surely, 2^1118869050 is an apocalyptic number.

1118869050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a pronic number, being equal to 33449×33450.

It is a practical number, because each smaller number is the sum of distinct divisors of 1118869050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1567899648).

1118869050 is an abundant number, since it is smaller than the sum of its proper divisors (2016930246).

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

1118869050 is a wasteful number, since it uses less digits than its factorization.

1118869050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365 (or 360 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 39.

The square root of 1118869050 is about 33449.4999962630. The cubic root of 1118869050 is about 1038.1491519812.

The spelling of 1118869050 in words is "one billion, one hundred eighteen million, eight hundred sixty-nine thousand, fifty".