118528468409 has 16 divisors (see below), whose sum is σ = 128287216512. Its totient is φ = 108862005888.

The previous prime is 118528468397. The next prime is 118528468423. The reversal of 118528468409 is 904864825811.

It is a cyclic number.

It is not a de Polignac number, because 118528468409 - 2⁴ = 118528468393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (118528468309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4369442 + ... + 4396484.

It is an arithmetic number, because the mean of its divisors is an integer number (8017951032).

Almost surely, 2^118528468409 is an apocalyptic number.

It is an amenable number.

118528468409 is a deficient number, since it is larger than the sum of its proper divisors (9758748103).

118528468409 is a wasteful number, since it uses less digits than its factorization.

118528468409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28736.

The product of its (nonzero) digits is 4423680, while the sum is 56.

The spelling of 118528468409 in words is "one hundred eighteen billion, five hundred twenty-eight million, four hundred sixty-eight thousand, four hundred nine".