118144960561 has 8 divisors (see below), whose sum is σ = 124376659200. Its totient is φ = 111914616240.

The previous prime is 118144960519. The next prime is 118144960603. The reversal of 118144960561 is 165069441811.

It is an interprime number because it is at equal distance from previous prime (118144960519) and next prime (118144960603).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 118144960561 - 2⁹ = 118144960049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118144960261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157006 + ... + 510823.

It is an arithmetic number, because the mean of its divisors is an integer number (15547082400).

Almost surely, 2^118144960561 is an apocalyptic number.

It is an amenable number.

118144960561 is a deficient number, since it is larger than the sum of its proper divisors (6231698639).

118144960561 is an equidigital number, since it uses as much as digits as its factorization.

118144960561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677159.

The product of its (nonzero) digits is 207360, while the sum is 46.

The spelling of 118144960561 in words is "one hundred eighteen billion, one hundred forty-four million, nine hundred sixty thousand, five hundred sixty-one".