1119919158 has 24 divisors (see below), whose sum is σ = 2510164800. Its totient is φ = 360433584.

The previous prime is 1119919123. The next prime is 1119919169. The reversal of 1119919158 is 8519199111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1072198 + ... + 1073241.

It is an arithmetic number, because the mean of its divisors is an integer number (104590200).

Almost surely, 2^1119919158 is an apocalyptic number.

1119919158 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1119919158 is an abundant number, since it is smaller than the sum of its proper divisors (1390245642).

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

1119919158 is a wasteful number, since it uses less digits than its factorization.

1119919158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2145476 (or 2145473 counting only the distinct ones).

The product of its digits is 29160, while the sum is 45.

The square root of 1119919158 is about 33465.1932311768. The cubic root of 1119919158 is about 1038.4738333638.

The spelling of 1119919158 in words is "one billion, one hundred nineteen million, nine hundred nineteen thousand, one hundred fifty-eight".