72411211507511 has 2 divisors, whose sum is σ = 72411211507512. Its totient is φ = 72411211507510.

The previous prime is 72411211507507. The next prime is 72411211507543. The reversal of 72411211507511 is 11570511211427.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72411211507511 - 2² = 72411211507507 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72411211507211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36205605753755 + 36205605753756.

It is an arithmetic number, because the mean of its divisors is an integer number (36205605753756).

Almost surely, 2^{72411211507511} is an apocalyptic number.

72411211507511 is a deficient number, since it is larger than the sum of its proper divisors (1).

72411211507511 is an equidigital number, since it uses as much as digits as its factorization.

72411211507511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19600, while the sum is 38.

Adding to 72411211507511 its reverse (11570511211427), we get a palindrome (83981722718938).

The spelling of 72411211507511 in words is "seventy-two trillion, four hundred eleven billion, two hundred eleven million, five hundred seven thousand, five hundred eleven".