10051051105505 has 4 divisors (see below), whose sum is σ = 12061261326612. Its totient is φ = 8040840884400.

The previous prime is 10051051105451. The next prime is 10051051105577. The reversal of 10051051105505 is 50550115015001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4029558405376 + 6021492700129 = 2007376^2 + 2453873^2 .

It is not a de Polignac number, because 10051051105505 - 2¹⁶ = 10051051039969 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1005105110546 + ... + 1005105110555.

It is an arithmetic number, because the mean of its divisors is an integer number (3015315331653).

Almost surely, 2^{10051051105505} is an apocalyptic number.

It is an amenable number.

10051051105505 is a deficient number, since it is larger than the sum of its proper divisors (2010210221107).

10051051105505 is an equidigital number, since it uses as much as digits as its factorization.

10051051105505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2010210221106.

The product of its (nonzero) digits is 3125, while the sum is 29.

The spelling of 10051051105505 in words is "ten trillion, fifty-one billion, fifty-one million, one hundred five thousand, five hundred five".