505114311545 has 4 divisors (see below), whose sum is σ = 606137173860. Its totient is φ = 404091449232.

The previous prime is 505114311539. The next prime is 505114311547. The reversal of 505114311545 is 545113411505.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 86396608489 + 418717703056 = 293933^2 + 647084^2 .

It is a cyclic number.

It is not a de Polignac number, because 505114311545 - 2⁴ = 505114311529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (505114311547) 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 in 3 ways as a sum of consecutive naturals, for example, 50511431150 + ... + 50511431159.

It is an arithmetic number, because the mean of its divisors is an integer number (151534293465).

Almost surely, 2^505114311545 is an apocalyptic number.

It is an amenable number.

505114311545 is a deficient number, since it is larger than the sum of its proper divisors (101022862315).

505114311545 is a wasteful number, since it uses less digits than its factorization.

505114311545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101022862314.

The product of its (nonzero) digits is 30000, while the sum is 35.

The spelling of 505114311545 in words is "five hundred five billion, one hundred fourteen million, three hundred eleven thousand, five hundred forty-five".