15155120011 has 2 divisors, whose sum is σ = 15155120012. Its totient is φ = 15155120010.

The previous prime is 15155119963. The next prime is 15155120017. The reversal of 15155120011 is 11002155151.

15155120011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15155120011 is a prime.

It is not a weakly prime, because it can be changed into another prime (15155120017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7577560005 + 7577560006.

It is an arithmetic number, because the mean of its divisors is an integer number (7577560006).

Almost surely, 2^15155120011 is an apocalyptic number.

15155120011 is a deficient number, since it is larger than the sum of its proper divisors (1).

15155120011 is an equidigital number, since it uses as much as digits as its factorization.

15155120011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 250, while the sum is 22.

Adding to 15155120011 its reverse (11002155151), we get a palindrome (26157275162).

The spelling of 15155120011 in words is "fifteen billion, one hundred fifty-five million, one hundred twenty thousand, eleven".