118948071565 has 8 divisors (see below), whose sum is σ = 146595461400. Its totient is φ = 92586606912.

The previous prime is 118948071547. The next prime is 118948071569. The reversal of 118948071565 is 565170849811.

It can be written as a sum of positive squares in 4 ways, for example, as 68928301764 + 50019769801 = 262542^2 + 223651^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 118948071565 - 2¹¹ = 118948069517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118948071569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321481090 + ... + 321481459.

It is an arithmetic number, because the mean of its divisors is an integer number (18324432675).

Almost surely, 2^118948071565 is an apocalyptic number.

It is an amenable number.

118948071565 is a deficient number, since it is larger than the sum of its proper divisors (27647389835).

118948071565 is an equidigital number, since it uses as much as digits as its factorization.

118948071565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642962591.

The product of its (nonzero) digits is 2419200, while the sum is 55.

The spelling of 118948071565 in words is "one hundred eighteen billion, nine hundred forty-eight million, seventy-one thousand, five hundred sixty-five".