118998024930421 has 12 divisors (see below), whose sum is σ = 149074448814732. Its totient is φ = 94152283460928.

The previous prime is 118998024930403. The next prime is 118998024930517. The reversal of 118998024930421 is 124039420899811.

It can be written as a sum of positive squares in 2 ways, for example, as 6640356918321 + 112357668012100 = 2576889^2 + 10599890^2 .

It is not a de Polignac number, because 118998024930421 - 2¹⁷ = 118998024799349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 118998024930421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118998024330421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93405042480 + ... + 93405043753.

It is an arithmetic number, because the mean of its divisors is an integer number (12422870734561).

Almost surely, 2^{118998024930421} is an apocalyptic number.

It is an amenable number.

118998024930421 is a deficient number, since it is larger than the sum of its proper divisors (30076423884311).

118998024930421 is a wasteful number, since it uses less digits than its factorization.

118998024930421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186810086260 (or 186810086253 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 61.

The spelling of 118998024930421 in words is "one hundred eighteen trillion, nine hundred ninety-eight billion, twenty-four million, nine hundred thirty thousand, four hundred twenty-one".