10001000011111 has 2 divisors, whose sum is σ = 10001000011112. Its totient is φ = 10001000011110.

The previous prime is 10001000011091. The next prime is 10001000011133. The reversal of 10001000011111 is 11111000010001.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10001000011111 - 2⁷ = 10001000010983 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10001000011094 and 10001000011103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10001000012111) 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 as a sum of consecutive naturals, namely, 5000500005555 + 5000500005556.

It is an arithmetic number, because the mean of its divisors is an integer number (5000500005556).

Almost surely, 2^{10001000011111} is an apocalyptic number.

10001000011111 is a deficient number, since it is larger than the sum of its proper divisors (1).

10001000011111 is an equidigital number, since it uses as much as digits as its factorization.

10001000011111 is an odious number, because the sum of its binary digits is odd.

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

Adding to 10001000011111 its reverse (11111000010001), we get a palindrome (21112000021112).

The spelling of 10001000011111 in words is "ten trillion, one billion, eleven thousand, one hundred eleven".