118253549568 has 384 divisors, whose sum is σ = 395516459520. Its totient is φ = 30523392000.

The previous prime is 118253549503. The next prime is 118253549573. The reversal of 118253549568 is 865945352811.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85628238 + ... + 85629618.

It is an arithmetic number, because the mean of its divisors is an integer number (1029990780).

Almost surely, 2^118253549568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118253549568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197758229760).

118253549568 is an abundant number, since it is smaller than the sum of its proper divisors (277262909952).

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

118253549568 is a wasteful number, since it uses less digits than its factorization.

118253549568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1605 (or 1585 counting only the distinct ones).

The product of its digits is 10368000, while the sum is 57.

The spelling of 118253549568 in words is "one hundred eighteen billion, two hundred fifty-three million, five hundred forty-nine thousand, five hundred sixty-eight".