505212045155 has 8 divisors (see below), whose sum is σ = 606258359952. Its totient is φ = 404167032288.

The previous prime is 505212045127. The next prime is 505212045181. The reversal of 505212045155 is 551540212505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 505212045155 - 2²⁰ = 505210996579 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1079864 + ... + 1475306.

It is an arithmetic number, because the mean of its divisors is an integer number (75782294994).

Almost surely, 2^505212045155 is an apocalyptic number.

505212045155 is a deficient number, since it is larger than the sum of its proper divisors (101046314797).

505212045155 is a wasteful number, since it uses less digits than its factorization.

505212045155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650965.

The product of its (nonzero) digits is 50000, while the sum is 35.

The spelling of 505212045155 in words is "five hundred five billion, two hundred twelve million, forty-five thousand, one hundred fifty-five".