5155120065611 has 2 divisors, whose sum is σ = 5155120065612. Its totient is φ = 5155120065610.

The previous prime is 5155120065569. The next prime is 5155120065679. The reversal of 5155120065611 is 1165600215515.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5155120065611 - 2¹⁰ = 5155120064587 is a prime.

It is not a weakly prime, because it can be changed into another prime (5155120062611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2577560032805 + 2577560032806.

It is an arithmetic number, because the mean of its divisors is an integer number (2577560032806).

Almost surely, 2^{5155120065611} is an apocalyptic number.

5155120065611 is a deficient number, since it is larger than the sum of its proper divisors (1).

5155120065611 is an equidigital number, since it uses as much as digits as its factorization.

5155120065611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45000, while the sum is 38.

The spelling of 5155120065611 in words is "five trillion, one hundred fifty-five billion, one hundred twenty million, sixty-five thousand, six hundred eleven".