505230154504 has 8 divisors (see below), whose sum is σ = 947306539710. Its totient is φ = 252615077248.

The previous prime is 505230154487. The next prime is 505230154523. The reversal of 505230154504 is 405451032505.

It can be written as a sum of positive squares in only one way, i.e., 487067201604 + 18162952900 = 697902^2 + 134770^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×505230154504² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 505230154504.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31576884649 + ... + 31576884664.

Almost surely, 2^505230154504 is an apocalyptic number.

It is an amenable number.

505230154504 is a deficient number, since it is larger than the sum of its proper divisors (442076385206).

505230154504 is a wasteful number, since it uses less digits than its factorization.

505230154504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63153769319 (or 63153769315 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 34.

The spelling of 505230154504 in words is "five hundred five billion, two hundred thirty million, one hundred fifty-four thousand, five hundred four".