119903811858 has 48 divisors (see below), whose sum is σ = 269016410520. Its totient is φ = 38551468032.

The previous prime is 119903811847. The next prime is 119903811947. The reversal of 119903811858 is 858118309911.

It is a happy number.

119903811858 is a `hidden beast` number, since 119 + 90 + 381 + 18 + 58 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 93249004689 + 26654807169 = 305367^2 + 163263^2 .

It is a super-2 number, since 2×119903811858² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 415410 + ... + 642162.

Almost surely, 2^119903811858 is an apocalyptic number.

119903811858 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 119903811858, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134508205260).

119903811858 is an abundant number, since it is smaller than the sum of its proper divisors (149112598662).

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

119903811858 is a wasteful number, since it uses less digits than its factorization.

119903811858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227803 (or 227800 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 54.

The spelling of 119903811858 in words is "one hundred nineteen billion, nine hundred three million, eight hundred eleven thousand, eight hundred fifty-eight".