118108731552 has 96 divisors (see below), whose sum is σ = 354916969344. Its totient is φ = 33689088000.

The previous prime is 118108731539. The next prime is 118108731557. The reversal of 118108731552 is 255137801811.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (118108731557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 257652 + ... + 550092.

It is an arithmetic number, because the mean of its divisors is an integer number (3697051764).

Almost surely, 2^118108731552 is an apocalyptic number.

118108731552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118108731552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177458484672).

118108731552 is an abundant number, since it is smaller than the sum of its proper divisors (236808237792).

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

118108731552 is a wasteful number, since it uses less digits than its factorization.

118108731552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293062 (or 293054 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 42.

The spelling of 118108731552 in words is "one hundred eighteen billion, one hundred eight million, seven hundred thirty-one thousand, five hundred fifty-two".