118745647956 has 144 divisors (see below), whose sum is σ = 338184258048. Its totient is φ = 34887283200.

The previous prime is 118745647927. The next prime is 118745647967. The reversal of 118745647956 is 659746547811.

118745647956 is a `hidden beast` number, since 1 + 18 + 7 + 4 + 564 + 7 + 9 + 56 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 118745647893 and 118745647902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 836001 + ... + 967671.

It is an arithmetic number, because the mean of its divisors is an integer number (2348501792).

Almost surely, 2^118745647956 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118745647956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169092129024).

118745647956 is an abundant number, since it is smaller than the sum of its proper divisors (219438610092).

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

118745647956 is a wasteful number, since it uses less digits than its factorization.

118745647956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131782 (or 131777 counting only the distinct ones).

The product of its digits is 50803200, while the sum is 63.

The spelling of 118745647956 in words is "one hundred eighteen billion, seven hundred forty-five million, six hundred forty-seven thousand, nine hundred fifty-six".