505151155065 has 16 divisors (see below), whose sum is σ = 808455816000. Its totient is φ = 269342626752.

The previous prime is 505151155051. The next prime is 505151155073. The reversal of 505151155065 is 560551151505.

It is not a de Polignac number, because 505151155065 - 2⁹ = 505151154553 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4399090 + ... + 4512459.

It is an arithmetic number, because the mean of its divisors is an integer number (50528488500).

Almost surely, 2^505151155065 is an apocalyptic number.

It is an amenable number.

505151155065 is a deficient number, since it is larger than the sum of its proper divisors (303304660935).

505151155065 is a wasteful number, since it uses less digits than its factorization.

505151155065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8915336.

The product of its (nonzero) digits is 93750, while the sum is 39.

The spelling of 505151155065 in words is "five hundred five billion, one hundred fifty-one million, one hundred fifty-five thousand, sixty-five".