1051505505 has 96 divisors (see below), whose sum is σ = 2061296640. Its totient is φ = 492687360.

The previous prime is 1051505501. The next prime is 1051505509. The reversal of 1051505505 is 5055051501.

1051505505 is a `hidden beast` number, since 1 + 0 + 5 + 150 + 5 + 505 = 666.

It is an interprime number because it is at equal distance from previous prime (1051505501) and next prime (1051505509).

It is not a de Polignac number, because 1051505505 - 2² = 1051505501 is a prime.

It is a super-2 number, since 2×1051505505² = 2211327654090610050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1051505501) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 1060560 + ... + 1061550.

It is an arithmetic number, because the mean of its divisors is an integer number (21471840).

Almost surely, 2^1051505505 is an apocalyptic number.

1051505505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1051505505 is a deficient number, since it is larger than the sum of its proper divisors (1009791135).

1051505505 is a wasteful number, since it uses less digits than its factorization.

1051505505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111 (or 1108 counting only the distinct ones).

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

The square root of 1051505505 is about 32426.9256174556. The cubic root of 1051505505 is about 1016.8818993682.

The spelling of 1051505505 in words is "one billion, fifty-one million, five hundred five thousand, five hundred five".