65115268885338 has 16 divisors (see below), whose sum is σ = 148834900309440. Its totient is φ = 18604362538656.

The previous prime is 65115268885321. The next prime is 65115268885349. The reversal of 65115268885338 is 83358886251156.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 775181772403 + ... + 775181772486.

It is an arithmetic number, because the mean of its divisors is an integer number (9302181269340).

Almost surely, 2^{65115268885338} is an apocalyptic number.

65115268885338 is an abundant number, since it is smaller than the sum of its proper divisors (83719631424102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65115268885338 is a wasteful number, since it uses less digits than its factorization.

65115268885338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1550363544901.

The product of its digits is 331776000, while the sum is 69.

The spelling of 65115268885338 in words is "sixty-five trillion, one hundred fifteen billion, two hundred sixty-eight million, eight hundred eighty-five thousand, three hundred thirty-eight".