119747341818 has 128 divisors (see below), whose sum is σ = 308682178560. Its totient is φ = 34106339520.

The previous prime is 119747341781. The next prime is 119747341907. The reversal of 119747341818 is 818143747911.

119747341818 is a `hidden beast` number, since 1 + 1 + 97 + 473 + 4 + 1 + 81 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 380905 + ... + 620147.

It is an arithmetic number, because the mean of its divisors is an integer number (2411579520).

Almost surely, 2^119747341818 is an apocalyptic number.

119747341818 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 119747341818, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154341089280).

119747341818 is an abundant number, since it is smaller than the sum of its proper divisors (188934836742).

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

119747341818 is a wasteful number, since it uses less digits than its factorization.

119747341818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239321 (or 239315 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 54.

The spelling of 119747341818 in words is "one hundred nineteen billion, seven hundred forty-seven million, three hundred forty-one thousand, eight hundred eighteen".