118265635600 has 180 divisors, whose sum is σ = 335054037684. Its totient is φ = 39992279040.

The previous prime is 118265635591. The next prime is 118265635633. The reversal of 118265635600 is 6536562811.

It can be written as a sum of positive squares in 6 ways, for example, as 366799104 + 117898836496 = 19152^2 + 343364^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1389472 + ... + 1472128.

Almost surely, 2^118265635600 is an apocalyptic number.

118265635600 is a gapful number since it is divisible by the number (10) 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 118265635600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167527018842).

118265635600 is an abundant number, since it is smaller than the sum of its proper divisors (216788402084).

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

118265635600 is a wasteful number, since it uses less digits than its factorization.

118265635600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82762 (or 82744 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 118265635600 in words is "one hundred eighteen billion, two hundred sixty-five million, six hundred thirty-five thousand, six hundred".