64122542111743 has 4 divisors (see below), whose sum is σ = 64122558315480. Its totient is φ = 64122525908008.

The previous prime is 64122542111699. The next prime is 64122542111753. The reversal of 64122542111743 is 34711124522146.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 64122542111743 - 2²⁹ = 64122005240831 is a prime.

It is a super-2 number, since 2×64122542111743² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64122542111743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64122542111753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2202996 + ... + 11536822.

It is an arithmetic number, because the mean of its divisors is an integer number (16030639578870).

Almost surely, 2^{64122542111743} is an apocalyptic number.

64122542111743 is a deficient number, since it is larger than the sum of its proper divisors (16203737).

64122542111743 is an equidigital number, since it uses as much as digits as its factorization.

64122542111743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16203736.

The product of its digits is 322560, while the sum is 43.

Adding to 64122542111743 its reverse (34711124522146), we get a palindrome (98833666633889).

The spelling of 64122542111743 in words is "sixty-four trillion, one hundred twenty-two billion, five hundred forty-two million, one hundred eleven thousand, seven hundred forty-three".