505277505275 has 12 divisors (see below), whose sum is σ = 627492000144. Its totient is φ = 403610460000.

The previous prime is 505277505269. The next prime is 505277505311. The reversal of 505277505275 is 572505772505.

It is a happy number.

It is not a de Polignac number, because 505277505275 - 2¹⁸ = 505277243131 is a prime.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15271751 + ... + 15304800.

It is an arithmetic number, because the mean of its divisors is an integer number (52291000012).

Almost surely, 2^505277505275 is an apocalyptic number.

505277505275 is a deficient number, since it is larger than the sum of its proper divisors (122214494869).

505277505275 is a wasteful number, since it uses less digits than its factorization.

505277505275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30577222 (or 30577217 counting only the distinct ones).

The product of its (nonzero) digits is 4287500, while the sum is 50.

The spelling of 505277505275 in words is "five hundred five billion, two hundred seventy-seven million, five hundred five thousand, two hundred seventy-five".