75440424011 has 2 divisors, whose sum is σ = 75440424012. Its totient is φ = 75440424010.

The previous prime is 75440423987. The next prime is 75440424019. The reversal of 75440424011 is 11042404457.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75440424011 is a prime.

It is not a weakly prime, because it can be changed into another prime (75440424019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37720212005 + 37720212006.

It is an arithmetic number, because the mean of its divisors is an integer number (37720212006).

Almost surely, 2^75440424011 is an apocalyptic number.

75440424011 is a deficient number, since it is larger than the sum of its proper divisors (1).

75440424011 is an equidigital number, since it uses as much as digits as its factorization.

75440424011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17920, while the sum is 32.

Adding to 75440424011 its reverse (11042404457), we get a palindrome (86482828468).

The spelling of 75440424011 in words is "seventy-five billion, four hundred forty million, four hundred twenty-four thousand, eleven".