120072306511 has 2 divisors, whose sum is σ = 120072306512. Its totient is φ = 120072306510.

The previous prime is 120072306451. The next prime is 120072306533. The reversal of 120072306511 is 115603270021.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120072306511 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120072306511.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120072306551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60036153255 + 60036153256.

It is an arithmetic number, because the mean of its divisors is an integer number (60036153256).

Almost surely, 2^120072306511 is an apocalyptic number.

120072306511 is a deficient number, since it is larger than the sum of its proper divisors (1).

120072306511 is an equidigital number, since it uses as much as digits as its factorization.

120072306511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 28.

Adding to 120072306511 its reverse (115603270021), we get a palindrome (235675576532).

The spelling of 120072306511 in words is "one hundred twenty billion, seventy-two million, three hundred six thousand, five hundred eleven".