118785228872 has 12 divisors (see below), whose sum is σ = 222724131945. Its totient is φ = 59392127024.

The previous prime is 118785228839. The next prime is 118785228889. The reversal of 118785228872 is 278822587811.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 84491374276 + 34293854596 = 290674^2 + 185186^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=243706.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 913898 + ... + 1035750.

Almost surely, 2^118785228872 is an apocalyptic number.

It is an amenable number.

118785228872 is a deficient number, since it is larger than the sum of its proper divisors (103938903073).

118785228872 is an frugal number, since it uses more digits than its factorization.

118785228872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243712 (or 121855 counting only the distinct ones).

The product of its digits is 8028160, while the sum is 59.

The spelling of 118785228872 in words is "one hundred eighteen billion, seven hundred eighty-five million, two hundred twenty-eight thousand, eight hundred seventy-two".