118321103640 has 64 divisors (see below), whose sum is σ = 375843512160. Its totient is φ = 29696276480.

The previous prime is 118321103573. The next prime is 118321103651. The reversal of 118321103640 is 46301123811.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 118321103598 and 118321103607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28998231 + ... + 29002310.

Almost surely, 2^118321103640 is an apocalyptic number.

118321103640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118321103640 is an abundant number, since it is smaller than the sum of its proper divisors (257522408520).

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

118321103640 is a wasteful number, since it uses less digits than its factorization.

118321103640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58000572 (or 58000568 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The spelling of 118321103640 in words is "one hundred eighteen billion, three hundred twenty-one million, one hundred three thousand, six hundred forty".