118691481171844 has 135 divisors (see below), whose sum is σ = 255782338004151. Its totient is φ = 48182289901200.

The previous prime is 118691481171811. The next prime is 118691481171943. The reversal of 118691481171844 is 448171184196811.

The square root of 118691481171844 is 10894562.

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

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 20285671519 + ... + 20285677369.

Almost surely, 2^{118691481171844} is an apocalyptic number.

118691481171844 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

118691481171844 is the 10894562-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118691481171844

118691481171844 is an abundant number, since it is smaller than the sum of its proper divisors (137090856832307).

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

118691481171844 is an frugal number, since it uses more digits than its factorization.

118691481171844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11772 (or 5879 counting only the distinct ones).

The product of its digits is 12386304, while the sum is 64.

The spelling of 118691481171844 in words is "one hundred eighteen trillion, six hundred ninety-one billion, four hundred eighty-one million, one hundred seventy-one thousand, eight hundred forty-four".