118892178405361 has 9 divisors (see below), whose sum is σ = 119058901242393. Its totient is φ = 118725688756500.

The previous prime is 118892178405347. The next prime is 118892178405379. The reversal of 118892178405361 is 163504871298811.

The square root of 118892178405361 is 10903769.

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

It is not a de Polignac number, because 118892178405361 - 2⁹ = 118892178404849 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 118892178405293 and 118892178405302.

It is not an unprimeable number, because it can be changed into a prime (118892178705361) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 8188723260 + ... + 8188737778.

It is a 1-persistent number, because it is pandigital, but 2⋅118892178405361 = 237784356810722 is not.

Almost surely, 2^{118892178405361} is an apocalyptic number.

118892178405361 is the 10903769-th square number.

118892178405361 is the 5451885-th centered octagonal number.

It is an amenable number.

118892178405361 is a deficient number, since it is larger than the sum of its proper divisors (166722837032).

118892178405361 is an frugal number, since it uses more digits than its factorization.

118892178405361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30540 (or 15270 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 64.

The spelling of 118892178405361 in words is "one hundred eighteen trillion, eight hundred ninety-two billion, one hundred seventy-eight million, four hundred five thousand, three hundred sixty-one".