64111043 has 2 divisors, whose sum is σ = 64111044. Its totient is φ = 64111042.

The previous prime is 64111013. The next prime is 64111049. The reversal of 64111043 is 34011146.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64111043 - 2¹⁸ = 63848899 is a prime.

It is a super-2 number, since 2×64111043² = 8220451669095698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (64111049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32055521 + 32055522.

It is an arithmetic number, because the mean of its divisors is an integer number (32055522).

Almost surely, 2^64111043 is an apocalyptic number.

64111043 is a deficient number, since it is larger than the sum of its proper divisors (1).

64111043 is an equidigital number, since it uses as much as digits as its factorization.

64111043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 64111043 is about 8006.9371797211. The cubic root of 64111043 is about 400.2312059171.

Adding to 64111043 its reverse (34011146), we get a palindrome (98122189).

The spelling of 64111043 in words is "sixty-four million, one hundred eleven thousand, forty-three".