64246255666011 has 32 divisors (see below), whose sum is σ = 97467865566720. Its totient is φ = 41802663645792.

The previous prime is 64246255666007. The next prime is 64246255666031. The reversal of 64246255666011 is 11066655264246.

It is not a de Polignac number, because 64246255666011 - 2² = 64246255666007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64246255666031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19721676 + ... + 22747241.

It is an arithmetic number, because the mean of its divisors is an integer number (3045870798960).

Almost surely, 2^{64246255666011} is an apocalyptic number.

64246255666011 is a deficient number, since it is larger than the sum of its proper divisors (33221609900709).

64246255666011 is a wasteful number, since it uses less digits than its factorization.

64246255666011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42470272 (or 42470266 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 54.

The spelling of 64246255666011 in words is "sixty-four trillion, two hundred forty-six billion, two hundred fifty-five million, six hundred sixty-six thousand, eleven".