119811618 has 12 divisors (see below), whose sum is σ = 259591878. Its totient is φ = 39937200.

The previous prime is 119811617. The next prime is 119811677. The reversal of 119811618 is 816118911.

It can be written as a sum of positive squares in only one way, i.e., 92217609 + 27594009 = 9603^2 + 5253^2 .

It is not an unprimeable number, because it can be changed into a prime (119811613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3328083 + ... + 3328118.

Almost surely, 2^119811618 is an apocalyptic number.

119811618 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

119811618 is an abundant number, since it is smaller than the sum of its proper divisors (139780260).

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

119811618 is a wasteful number, since it uses less digits than its factorization.

119811618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6656209 (or 6656206 counting only the distinct ones).

The product of its digits is 3456, while the sum is 36.

The square root of 119811618 is about 10945.8493503245. The cubic root of 119811618 is about 492.9841741509.

The spelling of 119811618 in words is "one hundred nineteen million, eight hundred eleven thousand, six hundred eighteen".