1001001100051 has 8 divisors (see below), whose sum is σ = 1004452286544. Its totient is φ = 997550150880.

The previous prime is 1001001100049. The next prime is 1001001100061. The reversal of 1001001100051 is 1500011001001.

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 1001001100051 - 2¹ = 1001001100049 is a prime.

It is a super-2 number, since 2×1001001100051² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001001100031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14583825 + ... + 14652301.

It is an arithmetic number, because the mean of its divisors is an integer number (125556535818).

Almost surely, 2^{1001001100051} is an apocalyptic number.

1001001100051 is a deficient number, since it is larger than the sum of its proper divisors (3451186493).

1001001100051 is an equidigital number, since it uses as much as digits as its factorization.

1001001100051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118661.

The product of its (nonzero) digits is 5, while the sum is 10.

Adding to 1001001100051 its reverse (1500011001001), we get a palindrome (2501012101052).

The spelling of 1001001100051 in words is "one trillion, one billion, one million, one hundred thousand, fifty-one".