10001001001111 has 4 divisors (see below), whose sum is σ = 10001063654512. Its totient is φ = 10000938347712.

The previous prime is 10001001001091. The next prime is 10001001001127. The reversal of 10001001001111 is 11110010010001.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 10001001001111 - 2²⁹ = 10000464130199 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10001001001094 and 10001001001103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001001007111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31086651 + ... + 31406716.

It is an arithmetic number, because the mean of its divisors is an integer number (2500265913628).

Almost surely, 2^{10001001001111} is an apocalyptic number.

10001001001111 is a deficient number, since it is larger than the sum of its proper divisors (62653401).

10001001001111 is an equidigital number, since it uses as much as digits as its factorization.

10001001001111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62653400.

The product of its (nonzero) digits is 1, while the sum is 7.

Adding to 10001001001111 its reverse (11110010010001), we get a palindrome (21111011011112).

The spelling of 10001001001111 in words is "ten trillion, one billion, one million, one thousand, one hundred eleven".