29000111111001 has 6 divisors (see below), whose sum is σ = 41889049382570. Its totient is φ = 19333407407328.

The previous prime is 29000111110991. The next prime is 29000111111003. The reversal of 29000111111001 is 10011111100092.

It can be written as a sum of positive squares in only one way, i.e., 21325554561600 + 7674556549401 = 4617960^2 + 2770299^2 .

It is not a de Polignac number, because 29000111111001 - 2¹¹ = 29000111108953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29000111111003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1611117283936 + ... + 1611117283953.

Almost surely, 2^{29000111111001} is an apocalyptic number.

It is an amenable number.

29000111111001 is a deficient number, since it is larger than the sum of its proper divisors (12888938271569).

29000111111001 is a wasteful number, since it uses less digits than its factorization.

29000111111001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3222234567895 (or 3222234567892 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 18.

Adding to 29000111111001 its reverse (10011111100092), we get a palindrome (39011222211093).

The spelling of 29000111111001 in words is "twenty-nine trillion, one hundred eleven million, one hundred eleven thousand, one".