64118562811 has 2 divisors, whose sum is σ = 64118562812. Its totient is φ = 64118562810.

The previous prime is 64118562797. The next prime is 64118562881. The reversal of 64118562811 is 11826581146.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64118562811 - 2¹⁷ = 64118431739 is a prime.

It is a super-2 number, since 2×64118562811² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (64118562881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32059281405 + 32059281406.

It is an arithmetic number, because the mean of its divisors is an integer number (32059281406).

Almost surely, 2^64118562811 is an apocalyptic number.

64118562811 is a deficient number, since it is larger than the sum of its proper divisors (1).

64118562811 is an equidigital number, since it uses as much as digits as its factorization.

64118562811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 92160, while the sum is 43.

The spelling of 64118562811 in words is "sixty-four billion, one hundred eighteen million, five hundred sixty-two thousand, eight hundred eleven".