118421543560 has 16 divisors (see below), whose sum is σ = 266448473100. Its totient is φ = 47368617408.

The previous prime is 118421543557. The next prime is 118421543593. The reversal of 118421543560 is 65345124811.

It can be written as a sum of positive squares in 2 ways, for example, as 95863305924 + 22558237636 = 309618^2 + 150194^2 .

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 2960538589 = 118421543560 / (1 + 1 + 8 + 4 + 2 + 1 + 5 + 4 + 3 + 5 + 6 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1480269255 + ... + 1480269334.

Almost surely, 2^118421543560 is an apocalyptic number.

118421543560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118421543560 is an abundant number, since it is smaller than the sum of its proper divisors (148026929540).

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

118421543560 is a wasteful number, since it uses less digits than its factorization.

118421543560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2960538600 (or 2960538596 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 40.

The spelling of 118421543560 in words is "one hundred eighteen billion, four hundred twenty-one million, five hundred forty-three thousand, five hundred sixty".