118019897856 has 600 divisors, whose sum is σ = 413177751360. Its totient is φ = 33578883072.

The previous prime is 118019897837. The next prime is 118019897903. The reversal of 118019897856 is 658798910811.

It is a super-3 number, since 3×118019897856³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 118019897793 and 118019897802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 493806985 + ... + 493807223.

Almost surely, 2^118019897856 is an apocalyptic number.

118019897856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118019897856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206588875680).

118019897856 is an abundant number, since it is smaller than the sum of its proper divisors (295157853504).

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

118019897856 is an frugal number, since it uses more digits than its factorization.

118019897856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298 (or 251 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 63.

The spelling of 118019897856 in words is "one hundred eighteen billion, nineteen million, eight hundred ninety-seven thousand, eight hundred fifty-six".