11111000203829 has 2 divisors, whose sum is σ = 11111000203830. Its totient is φ = 11111000203828.

The previous prime is 11111000203799. The next prime is 11111000203873. The reversal of 11111000203829 is 92830200011111.

It is a happy number.

11111000203829 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8425678900804 + 2685321303025 = 2902702^2 + 1638695^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11111000203829 is a prime.

It is a super-2 number, since 2×11111000203829² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11111000203129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555500101914 + 5555500101915.

It is an arithmetic number, because the mean of its divisors is an integer number (5555500101915).

Almost surely, 2^{11111000203829} is an apocalyptic number.

It is an amenable number.

11111000203829 is a deficient number, since it is larger than the sum of its proper divisors (1).

11111000203829 is an equidigital number, since it uses as much as digits as its factorization.

11111000203829 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 29.

The spelling of 11111000203829 in words is "eleven trillion, one hundred eleven billion, two hundred three thousand, eight hundred twenty-nine".