505055153345 has 4 divisors (see below), whose sum is σ = 606066184020. Its totient is φ = 404044122672.

The previous prime is 505055153321. The next prime is 505055153357. The reversal of 505055153345 is 543351550505.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 543351550505 = 5 ⋅108670310101.

It can be written as a sum of positive squares in 2 ways, for example, as 121255079089 + 383800074256 = 348217^2 + 619516^2 .

It is a cyclic number.

It is not a de Polignac number, because 505055153345 - 2²² = 505050959041 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50505515330 + ... + 50505515339.

It is an arithmetic number, because the mean of its divisors is an integer number (151516546005).

Almost surely, 2^505055153345 is an apocalyptic number.

It is an amenable number.

505055153345 is a deficient number, since it is larger than the sum of its proper divisors (101011030675).

505055153345 is a wasteful number, since it uses less digits than its factorization.

505055153345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101011030674.

The product of its (nonzero) digits is 562500, while the sum is 41.

The spelling of 505055153345 in words is "five hundred five billion, fifty-five million, one hundred fifty-three thousand, three hundred forty-five".