880111013 has 2 divisors, whose sum is σ = 880111014. Its totient is φ = 880111012.

The previous prime is 880110997. The next prime is 880111019. The reversal of 880111013 is 310111088.

880111013 = 20977² + 20978².

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 440076484 + 440034529 = 20978^2 + 20977^2 .

It is a cyclic number.

It is not a de Polignac number, because 880111013 - 2⁴ = 880110997 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 880111013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (880111019) 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, 440055506 + 440055507.

It is an arithmetic number, because the mean of its divisors is an integer number (440055507).

Almost surely, 2^880111013 is an apocalyptic number.

880111013 is the 20978-th centered square number.

It is an amenable number.

880111013 is a deficient number, since it is larger than the sum of its proper divisors (1).

880111013 is an equidigital number, since it uses as much as digits as its factorization.

880111013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 23.

The square root of 880111013 is about 29666.6650131086. The cubic root of 880111013 is about 958.3242659222.

The spelling of 880111013 in words is "eight hundred eighty million, one hundred eleven thousand, thirteen".