505416123145 has 16 divisors (see below), whose sum is σ = 655839099648. Its totient is φ = 372451828480.

The previous prime is 505416123139. The next prime is 505416123161. The reversal of 505416123145 is 541321614505.

It is not a de Polignac number, because 505416123145 - 2³ = 505416123137 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63252091 + ... + 63260080.

It is an arithmetic number, because the mean of its divisors is an integer number (40989943728).

Almost surely, 2^505416123145 is an apocalyptic number.

It is an amenable number.

505416123145 is a deficient number, since it is larger than the sum of its proper divisors (150422976503).

505416123145 is a wasteful number, since it uses less digits than its factorization.

505416123145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126512240.

The product of its (nonzero) digits is 72000, while the sum is 37.

The spelling of 505416123145 in words is "five hundred five billion, four hundred sixteen million, one hundred twenty-three thousand, one hundred forty-five".