505031106465 has 128 divisors (see below), whose sum is σ = 1005253079040. Its totient is φ = 239343206400.

The previous prime is 505031106443. The next prime is 505031106511. The reversal of 505031106465 is 564601130505.

505031106465 is a `hidden beast` number, since 5 + 0 + 5 + 0 + 3 + 1 + 1 + 0 + 646 + 5 = 666.

It is not a de Polignac number, because 505031106465 - 2¹⁶ = 505031040929 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2830377 + ... + 3003513.

It is an arithmetic number, because the mean of its divisors is an integer number (7853539680).

Almost surely, 2^505031106465 is an apocalyptic number.

It is an amenable number.

505031106465 is a deficient number, since it is larger than the sum of its proper divisors (500221972575).

505031106465 is a wasteful number, since it uses less digits than its factorization.

505031106465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173240 (or 173234 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The spelling of 505031106465 in words is "five hundred five billion, thirty-one million, one hundred six thousand, four hundred sixty-five".