10051056511565 has 8 divisors (see below), whose sum is σ = 12061321530720. Its totient is φ = 8040809398032.

The previous prime is 10051056511547. The next prime is 10051056511571. The reversal of 10051056511565 is 56511565015001.

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 10051056511565 - 2²⁰ = 10051055462989 is a prime.

It is a congruent 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, 3208835 + ... + 5513504.

It is an arithmetic number, because the mean of its divisors is an integer number (1507665191340).

Almost surely, 2^{10051056511565} is an apocalyptic number.

It is an amenable number.

10051056511565 is a deficient number, since it is larger than the sum of its proper divisors (2010265019155).

10051056511565 is an equidigital number, since it uses as much as digits as its factorization.

10051056511565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8952811.

The product of its (nonzero) digits is 112500, while the sum is 41.

The spelling of 10051056511565 in words is "ten trillion, fifty-one billion, fifty-six million, five hundred eleven thousand, five hundred sixty-five".