118621645366241 has 16 divisors (see below), whose sum is σ = 126199681524288. Its totient is φ = 111110350579200.

The previous prime is 118621645366193. The next prime is 118621645366243. The reversal of 118621645366241 is 142663546126811.

It is a cyclic number.

It is not a de Polignac number, because 118621645366241 - 2²² = 118621641171937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118621645366243) 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, 91040426 + ... + 92334188.

It is an arithmetic number, because the mean of its divisors is an integer number (7887480095268).

Almost surely, 2^{118621645366241} is an apocalyptic number.

It is an amenable number.

118621645366241 is a deficient number, since it is larger than the sum of its proper divisors (7578036158047).

118621645366241 is a wasteful number, since it uses less digits than its factorization.

118621645366241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319552.

The product of its digits is 9953280, while the sum is 56.

The spelling of 118621645366241 in words is "one hundred eighteen trillion, six hundred twenty-one billion, six hundred forty-five million, three hundred sixty-six thousand, two hundred forty-one".