111000103849 has 2 divisors, whose sum is σ = 111000103850. Its totient is φ = 111000103848.

The previous prime is 111000103843. The next prime is 111000103871. The reversal of 111000103849 is 948301000111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63723429225 + 47276674624 = 252435^2 + 217432^2 .

It is an emirp because it is prime and its reverse (948301000111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111000103849 is a prime.

It is a super-2 number, since 2×111000103849² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111000103843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55500051924 + 55500051925.

It is an arithmetic number, because the mean of its divisors is an integer number (55500051925).

Almost surely, 2^111000103849 is an apocalyptic number.

It is an amenable number.

111000103849 is a deficient number, since it is larger than the sum of its proper divisors (1).

111000103849 is an equidigital number, since it uses as much as digits as its factorization.

111000103849 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 28.

The spelling of 111000103849 in words is "one hundred eleven billion, one hundred three thousand, eight hundred forty-nine".