550001015505 has 12 divisors (see below), whose sum is σ = 953335093620. Its totient is φ = 293333874912.

The previous prime is 550001015441. The next prime is 550001015563. The reversal of 550001015505 is 505510100055.

550001015505 is a `hidden beast` number, since 5 + 5 + 0 + 0 + 0 + 101 + 550 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 187462154961 + 362538860544 = 432969^2 + 602112^2 .

It is not a de Polignac number, because 550001015505 - 2⁶ = 550001015441 is a prime.

It is a super-2 number, since 2×550001015505² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6111122350 + ... + 6111122439.

It is an arithmetic number, because the mean of its divisors is an integer number (79444591135).

Almost surely, 2^550001015505 is an apocalyptic number.

It is an amenable number.

550001015505 is a deficient number, since it is larger than the sum of its proper divisors (403334078115).

550001015505 is a wasteful number, since it uses less digits than its factorization.

550001015505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12222244800 (or 12222244797 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 27.

The spelling of 550001015505 in words is "five hundred fifty billion, one million, fifteen thousand, five hundred five".