65949065111 has 4 divisors (see below), whose sum is σ = 68816415792. Its totient is φ = 63081714432.

The previous prime is 65949065101. The next prime is 65949065131. The reversal of 65949065111 is 11156094956.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 65949065111 - 2⁶ = 65949065047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65949065101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1433675306 + ... + 1433675351.

It is an arithmetic number, because the mean of its divisors is an integer number (17204103948).

Almost surely, 2^65949065111 is an apocalyptic number.

65949065111 is a deficient number, since it is larger than the sum of its proper divisors (2867350681).

65949065111 is a wasteful number, since it uses less digits than its factorization.

65949065111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2867350680.

The product of its (nonzero) digits is 291600, while the sum is 47.

The spelling of 65949065111 in words is "sixty-five billion, nine hundred forty-nine million, sixty-five thousand, one hundred eleven".