118432778861000 has 32 divisors (see below), whose sum is σ = 277132702537080. Its totient is φ = 47373111544000.

The previous prime is 118432778860961. The next prime is 118432778861009. The reversal of 118432778861000 is 168877234811.

It can be written as a sum of positive squares in 4 ways, for example, as 73021434286564 + 45411344574436 = 8545258^2 + 6738794^2 .

It is not an unprimeable number, because it can be changed into a prime (118432778861009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59216388431 + ... + 59216390430.

Almost surely, 2^{118432778861000} is an apocalyptic number.

118432778861000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118432778861000 is an abundant number, since it is smaller than the sum of its proper divisors (158699923676080).

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

118432778861000 is a wasteful number, since it uses less digits than its factorization.

118432778861000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118432778882 (or 118432778868 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 56.

The spelling of 118432778861000 in words is "one hundred eighteen trillion, four hundred thirty-two billion, seven hundred seventy-eight million, eight hundred sixty-one thousand".