11109903929 has 2 divisors, whose sum is σ = 11109903930. Its totient is φ = 11109903928.

The previous prime is 11109903919. The next prime is 11109903967. The reversal of 11109903929 is 92930990111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11104944400 + 4959529 = 105380^2 + 2227^2 .

It is an emirp because it is prime and its reverse (92930990111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11109903929 - 2¹⁶ = 11109838393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11109903929.

It is not a weakly prime, because it can be changed into another prime (11109903919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5554951964 + 5554951965.

It is an arithmetic number, because the mean of its divisors is an integer number (5554951965).

Almost surely, 2^11109903929 is an apocalyptic number.

It is an amenable number.

11109903929 is a deficient number, since it is larger than the sum of its proper divisors (1).

11109903929 is an equidigital number, since it uses as much as digits as its factorization.

11109903929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39366, while the sum is 44.

The spelling of 11109903929 in words is "eleven billion, one hundred nine million, nine hundred three thousand, nine hundred twenty-nine".