505662102455 has 4 divisors (see below), whose sum is σ = 606794522952. Its totient is φ = 404529681960.

The previous prime is 505662102437. The next prime is 505662102461. The reversal of 505662102455 is 554201266505.

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

It is not a de Polignac number, because 505662102455 - 2²⁶ = 505594993591 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 50566210241 + ... + 50566210250.

It is an arithmetic number, because the mean of its divisors is an integer number (151698630738).

Almost surely, 2^505662102455 is an apocalyptic number.

505662102455 is a deficient number, since it is larger than the sum of its proper divisors (101132420497).

505662102455 is a wasteful number, since it uses less digits than its factorization.

505662102455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101132420496.

The product of its (nonzero) digits is 360000, while the sum is 41.

The spelling of 505662102455 in words is "five hundred five billion, six hundred sixty-two million, one hundred two thousand, four hundred fifty-five".