118205316100 has 27 divisors (see below), whose sum is σ = 256512996831. Its totient is φ = 47280751200.

The previous prime is 118205316043. The next prime is 118205316139. The reversal of 118205316100 is 1613502811.

The square root of 118205316100 is 343810.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 39158868996 + 79046447104 = 197886^2 + 281152^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3420910 + ... + 3455290.

Almost surely, 2^118205316100 is an apocalyptic number.

118205316100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

118205316100 is the 343810-th square number.

It is an amenable number.

118205316100 is an abundant number, since it is smaller than the sum of its proper divisors (138307680731).

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

118205316100 is an frugal number, since it uses more digits than its factorization.

118205316100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68776 (or 34388 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 28.

Adding to 118205316100 its reverse (1613502811), we get a palindrome (119818818911).

The spelling of 118205316100 in words is "one hundred eighteen billion, two hundred five million, three hundred sixteen thousand, one hundred".