65856011 has 8 divisors (see below), whose sum is σ = 75093984. Its totient is φ = 57214080.

The previous prime is 65855987. The next prime is 65856017. The reversal of 65856011 is 11065856.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 65856011 - 2¹⁸ = 65593867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65856017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148775 + ... + 149216.

It is an arithmetic number, because the mean of its divisors is an integer number (9386748).

Almost surely, 2^65856011 is an apocalyptic number.

65856011 is a deficient number, since it is larger than the sum of its proper divisors (9237973).

65856011 is a wasteful number, since it uses less digits than its factorization.

65856011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298021.

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 65856011 is about 8115.1716556090. The cubic root of 65856011 is about 403.8299021701.

The spelling of 65856011 in words is "sixty-five million, eight hundred fifty-six thousand, eleven".