1051505505505 has 32 divisors (see below), whose sum is σ = 1557318873600. Its totient is φ = 663714266112.

The previous prime is 1051505505497. The next prime is 1051505505509. The reversal of 1051505505505 is 5055055051501.

It is a cyclic number.

It is not a de Polignac number, because 1051505505505 - 2³ = 1051505505497 is a prime.

It is a super-2 number, since 2×1051505505505² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1051505505509) 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, 3055320 + ... + 3382009.

It is an arithmetic number, because the mean of its divisors is an integer number (48666214800).

Almost surely, 2^{1051505505505} is an apocalyptic number.

It is an amenable number.

1051505505505 is a deficient number, since it is larger than the sum of its proper divisors (505813368095).

1051505505505 is a wasteful number, since it uses less digits than its factorization.

1051505505505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6437713.

The product of its (nonzero) digits is 78125, while the sum is 37.

The spelling of 1051505505505 in words is "one trillion, fifty-one billion, five hundred five million, five hundred five thousand, five hundred five".