505356352851 has 16 divisors (see below), whose sum is σ = 771539243264. Its totient is φ = 288222901344.

The previous prime is 505356352819. The next prime is 505356352871. The reversal of 505356352851 is 158253653505.

It is not a de Polignac number, because 505356352851 - 2⁵ = 505356352819 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 505356352851.

It is not an unprimeable number, because it can be changed into a prime (505356352871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22995316 + ... + 23017281.

It is an arithmetic number, because the mean of its divisors is an integer number (48221202704).

Almost surely, 2^505356352851 is an apocalyptic number.

505356352851 is a deficient number, since it is larger than the sum of its proper divisors (266182890413).

505356352851 is a wasteful number, since it uses less digits than its factorization.

505356352851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46013130.

The product of its (nonzero) digits is 2700000, while the sum is 48.

The spelling of 505356352851 in words is "five hundred five billion, three hundred fifty-six million, three hundred fifty-two thousand, eight hundred fifty-one".