65813390111 has 16 divisors (see below), whose sum is σ = 75425955840. Its totient is φ = 56253618240.

The previous prime is 65813390107. The next prime is 65813390119. The reversal of 65813390111 is 11109331856.

It is a cyclic number.

It is not a de Polignac number, because 65813390111 - 2² = 65813390107 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 (65813390119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8682155 + ... + 8689731.

It is an arithmetic number, because the mean of its divisors is an integer number (4714122240).

Almost surely, 2^65813390111 is an apocalyptic number.

65813390111 is a deficient number, since it is larger than the sum of its proper divisors (9612565729).

65813390111 is a wasteful number, since it uses less digits than its factorization.

65813390111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10894.

The product of its (nonzero) digits is 19440, while the sum is 38.

The spelling of 65813390111 in words is "sixty-five billion, eight hundred thirteen million, three hundred ninety thousand, one hundred eleven".