505055525499 has 48 divisors (see below), whose sum is σ = 836819942400. Its totient is φ = 287539769088.

The previous prime is 505055525489. The next prime is 505055525509. The reversal of 505055525499 is 994525550505.

505055525499 is a `hidden beast` number, since 5 + 0 + 50 + 55 + 52 + 5 + 499 = 666.

It is an interprime number because it is at equal distance from previous prime (505055525489) and next prime (505055525509).

It is not a de Polignac number, because 505055525499 - 2⁵ = 505055525467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (505055525489) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20053987 + ... + 20079155.

It is an arithmetic number, because the mean of its divisors is an integer number (17433748800).

Almost surely, 2^505055525499 is an apocalyptic number.

505055525499 is a deficient number, since it is larger than the sum of its proper divisors (331764416901).

505055525499 is a wasteful number, since it uses less digits than its factorization.

505055525499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26344 (or 26341 counting only the distinct ones).

The product of its (nonzero) digits is 10125000, while the sum is 54.

The spelling of 505055525499 in words is "five hundred five billion, fifty-five million, five hundred twenty-five thousand, four hundred ninety-nine".