64361265611 has 2 divisors, whose sum is σ = 64361265612. Its totient is φ = 64361265610.

The previous prime is 64361265599. The next prime is 64361265641. The reversal of 64361265611 is 11656216346.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64361265611 - 2⁶ = 64361265547 is a prime.

It is a super-2 number, since 2×64361265611² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (64361265641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32180632805 + 32180632806.

It is an arithmetic number, because the mean of its divisors is an integer number (32180632806).

Almost surely, 2^64361265611 is an apocalyptic number.

64361265611 is a deficient number, since it is larger than the sum of its proper divisors (1).

64361265611 is an equidigital number, since it uses as much as digits as its factorization.

64361265611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 41.

The spelling of 64361265611 in words is "sixty-four billion, three hundred sixty-one million, two hundred sixty-five thousand, six hundred eleven".