505204153331055 has 64 divisors (see below), whose sum is σ = 882530175098880. Its totient is φ = 245810219472896.

The previous prime is 505204153331011. The next prime is 505204153331069. The reversal of 505204153331055 is 550133351402505.

It is not a de Polignac number, because 505204153331055 - 2³³ = 505195563396463 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 505204153330998 and 505204153331016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 224064975 + ... + 226308464.

It is an arithmetic number, because the mean of its divisors is an integer number (13789533985920).

Almost surely, 2^{505204153331055} is an apocalyptic number.

505204153331055 is a deficient number, since it is larger than the sum of its proper divisors (377326021767825).

505204153331055 is a wasteful number, since it uses less digits than its factorization.

505204153331055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450373600.

The product of its (nonzero) digits is 675000, while the sum is 42.

The spelling of 505204153331055 in words is "five hundred five trillion, two hundred four billion, one hundred fifty-three million, three hundred thirty-one thousand, fifty-five".