1001051101005 has 16 divisors (see below), whose sum is σ = 1601719172160. Its totient is φ = 533881450368.

The previous prime is 1001051100979. The next prime is 1001051101021. The reversal of 1001051101005 is 5001011501001.

It is not a de Polignac number, because 1001051101005 - 2⁷ = 1001051100877 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96472 + ... + 1418241.

It is an arithmetic number, because the mean of its divisors is an integer number (100107448260).

Almost surely, 2^{1001051101005} is an apocalyptic number.

1001051101005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1001051101005 is a deficient number, since it is larger than the sum of its proper divisors (600668071155).

1001051101005 is a wasteful number, since it uses less digits than its factorization.

1001051101005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1558780.

The product of its (nonzero) digits is 25, while the sum is 15.

Adding to 1001051101005 its reverse (5001011501001), we get a palindrome (6002062602006).

The spelling of 1001051101005 in words is "one trillion, one billion, fifty-one million, one hundred one thousand, five".