118605405061987 has 16 divisors (see below), whose sum is σ = 119245875264000. Its totient is φ = 117965389893120.

The previous prime is 118605405061889. The next prime is 118605405061999. The reversal of 118605405061987 is 789160504506811.

It is a cyclic number.

It is not a de Polignac number, because 118605405061987 - 2²⁷ = 118605270844259 is a prime.

It is a super-2 number, since 2×118605405061987² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118605405061487) 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, 11156556162 + ... + 11156566792.

It is an arithmetic number, because the mean of its divisors is an integer number (7452867204000).

Almost surely, 2^{118605405061987} is an apocalyptic number.

118605405061987 is a deficient number, since it is larger than the sum of its proper divisors (640470202013).

118605405061987 is a wasteful number, since it uses less digits than its factorization.

118605405061987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26466.

The product of its (nonzero) digits is 14515200, while the sum is 61.

The spelling of 118605405061987 in words is "one hundred eighteen trillion, six hundred five billion, four hundred five million, sixty-one thousand, nine hundred eighty-seven".