10505555005051 has 4 divisors (see below), whose sum is σ = 10505561791504. Its totient is φ = 10505548218600.

The previous prime is 10505555005031. The next prime is 10505555005069. The reversal of 10505555005051 is 15050055550501.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 10505555005051 - 2¹¹ = 10505555003003 is a prime.

It is a super-2 number, since 2×10505555005051² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10505555005051.

It is not an unprimeable number, because it can be changed into a prime (10505555005031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190306 + ... + 4587736.

It is an arithmetic number, because the mean of its divisors is an integer number (2626390447876).

Almost surely, 2^{10505555005051} is an apocalyptic number.

10505555005051 is a deficient number, since it is larger than the sum of its proper divisors (6786453).

10505555005051 is an equidigital number, since it uses as much as digits as its factorization.

10505555005051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6786452.

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

The spelling of 10505555005051 in words is "ten trillion, five hundred five billion, five hundred fifty-five million, five thousand, fifty-one".