115665066550506 has 16 divisors (see below), whose sum is σ = 252360145201248. Its totient is φ = 35050020166800.

The previous prime is 115665066550493. The next prime is 115665066550511. The reversal of 115665066550506 is 605055660566511.

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, 876250504105 + ... + 876250504236.

It is an arithmetic number, because the mean of its divisors is an integer number (15772509075078).

Almost surely, 2^{115665066550506} is an apocalyptic number.

115665066550506 is an abundant number, since it is smaller than the sum of its proper divisors (136695078650742).

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

115665066550506 is a wasteful number, since it uses less digits than its factorization.

115665066550506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1752501008357.

The product of its (nonzero) digits is 24300000, while the sum is 57.

The spelling of 115665066550506 in words is "one hundred fifteen trillion, six hundred sixty-five billion, sixty-six million, five hundred fifty thousand, five hundred six".