1051565275265 has 8 divisors (see below), whose sum is σ = 1261883860800. Its totient is φ = 841248533232.

The previous prime is 1051565275223. The next prime is 1051565275289. The reversal of 1051565275265 is 5625725651501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1051565275265 - 2²⁶ = 1051498166401 is a prime.

It is a super-2 number, since 2×1051565275265² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1822436 + ... + 2329034.

It is an arithmetic number, because the mean of its divisors is an integer number (157735482600).

Almost surely, 2^{1051565275265} is an apocalyptic number.

It is an amenable number.

1051565275265 is a deficient number, since it is larger than the sum of its proper divisors (210318585535).

1051565275265 is an equidigital number, since it uses as much as digits as its factorization.

1051565275265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921751.

The product of its (nonzero) digits is 3150000, while the sum is 50.

The spelling of 1051565275265 in words is "one trillion, fifty-one billion, five hundred sixty-five million, two hundred seventy-five thousand, two hundred sixty-five".