1001001061011 has 16 divisors (see below), whose sum is σ = 1605615737600. Its totient is φ = 541895311008.

The previous prime is 1001001060989. The next prime is 1001001061097. The reversal of 1001001061011 is 1101601001001.

It is not a de Polignac number, because 1001001061011 - 2⁵ = 1001001060979 is a prime.

It is a super-3 number, since 3×1001001061011³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1001001063011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1254386896 + ... + 1254387693.

It is an arithmetic number, because the mean of its divisors is an integer number (100350983600).

Almost surely, 2^{1001001061011} is an apocalyptic number.

1001001061011 is a deficient number, since it is larger than the sum of its proper divisors (604614676589).

1001001061011 is a wasteful number, since it uses less digits than its factorization.

1001001061011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2508774618.

The product of its (nonzero) digits is 6, while the sum is 12.

Adding to 1001001061011 its reverse (1101601001001), we get a palindrome (2102602062012).

The spelling of 1001001061011 in words is "one trillion, one billion, one million, sixty-one thousand, eleven".