11211110429 has 2 divisors, whose sum is σ = 11211110430. Its totient is φ = 11211110428.

The previous prime is 11211110399. The next prime is 11211110447. The reversal of 11211110429 is 92401111211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8226127204 + 2984983225 = 90698^2 + 54635^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11211110429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11211115429) 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, 5605555214 + 5605555215.

It is an arithmetic number, because the mean of its divisors is an integer number (5605555215).

Almost surely, 2^11211110429 is an apocalyptic number.

It is an amenable number.

11211110429 is a deficient number, since it is larger than the sum of its proper divisors (1).

11211110429 is an equidigital number, since it uses as much as digits as its factorization.

11211110429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 23.

The spelling of 11211110429 in words is "eleven billion, two hundred eleven million, one hundred ten thousand, four hundred twenty-nine".