1005051061051 has 8 divisors (see below), whose sum is σ = 1024268793264. Its totient is φ = 985842755040.

The previous prime is 1005051060989. The next prime is 1005051061057. The reversal of 1005051061051 is 1501601505001.

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 1005051061051 - 2¹¹ = 1005051059003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1005051061057) by changing a digit.

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, 2141080 + ... + 2567941.

It is an arithmetic number, because the mean of its divisors is an integer number (128033599158).

Almost surely, 2^{1005051061051} is an apocalyptic number.

1005051061051 is a deficient number, since it is larger than the sum of its proper divisors (19217732213).

1005051061051 is an equidigital number, since it uses as much as digits as its factorization.

1005051061051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4713101.

The product of its (nonzero) digits is 750, while the sum is 25.

Adding to 1005051061051 its reverse (1501601505001), we get a palindrome (2506652566052).

The spelling of 1005051061051 in words is "one trillion, five billion, fifty-one million, sixty-one thousand, fifty-one".