111001425169 has 2 divisors, whose sum is σ = 111001425170. Its totient is φ = 111001425168.

The previous prime is 111001425127. The next prime is 111001425211. The reversal of 111001425169 is 961524100111.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (111001425127) and next prime (111001425211).

It can be written as a sum of positive squares in only one way, i.e., 93342470400 + 17658954769 = 305520^2 + 132887^2 .

It is a cyclic number.

It is not a de Polignac number, because 111001425169 - 2¹⁵ = 111001392401 is a prime.

It is a super-2 number, since 2×111001425169² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111001425169.

It is not a weakly prime, because it can be changed into another prime (111001425569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55500712584 + 55500712585.

It is an arithmetic number, because the mean of its divisors is an integer number (55500712585).

Almost surely, 2^111001425169 is an apocalyptic number.

It is an amenable number.

111001425169 is a deficient number, since it is larger than the sum of its proper divisors (1).

111001425169 is an equidigital number, since it uses as much as digits as its factorization.

111001425169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 31.

The spelling of 111001425169 in words is "one hundred eleven billion, one million, four hundred twenty-five thousand, one hundred sixty-nine".