65115120206 has 8 divisors (see below), whose sum is σ = 97741130760. Its totient is φ = 32534743288.

The previous prime is 65115120197. The next prime is 65115120221. The reversal of 65115120206 is 60202151156.

It is a happy number.

65115120206 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11404841 + ... + 11410548.

It is an arithmetic number, because the mean of its divisors is an integer number (12217641345).

Almost surely, 2^65115120206 is an apocalyptic number.

65115120206 is a deficient number, since it is larger than the sum of its proper divisors (32626010554).

65115120206 is a wasteful number, since it uses less digits than its factorization.

65115120206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22816818.

The product of its (nonzero) digits is 3600, while the sum is 29.

The spelling of 65115120206 in words is "sixty-five billion, one hundred fifteen million, one hundred twenty thousand, two hundred six".