118647521743442 has 8 divisors (see below), whose sum is σ = 178357337459532. Its totient is φ = 59195075923600.

The previous prime is 118647521743441. The next prime is 118647521743529. The reversal of 118647521743442 is 244347125746811.

It can be written as a sum of positive squares in 2 ways, for example, as 117584723635201 + 1062798108241 = 10843649^2 + 1030921^2 .

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

It is not an unprimeable number, because it can be changed into a prime (118647521743441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64342472909 + ... + 64342474752.

Almost surely, 2^{118647521743442} is an apocalyptic number.

118647521743442 is a deficient number, since it is larger than the sum of its proper divisors (59709815716090).

118647521743442 is a wasteful number, since it uses less digits than its factorization.

118647521743442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128684948124.

The product of its digits is 36126720, while the sum is 59.

The spelling of 118647521743442 in words is "one hundred eighteen trillion, six hundred forty-seven billion, five hundred twenty-one million, seven hundred forty-three thousand, four hundred forty-two".