505055555151 has 32 divisors (see below), whose sum is σ = 822947724288. Its totient is φ = 268937126400.

The previous prime is 505055555057. The next prime is 505055555167. The reversal of 505055555151 is 151555550505.

It is not a de Polignac number, because 505055555151 - 2¹¹ = 505055553103 is a prime.

It is a super-2 number, since 2×505055555151² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505055555051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6967515 + ... + 7039628.

It is an arithmetic number, because the mean of its divisors is an integer number (25717116384).

Almost surely, 2^505055555151 is an apocalyptic number.

505055555151 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

505055555151 is a deficient number, since it is larger than the sum of its proper divisors (317892169137).

505055555151 is a wasteful number, since it uses less digits than its factorization.

505055555151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14007271.

The product of its (nonzero) digits is 390625, while the sum is 42.

The spelling of 505055555151 in words is "five hundred five billion, fifty-five million, five hundred fifty-five thousand, one hundred fifty-one".