111520349 has 2 divisors, whose sum is σ = 111520350. Its totient is φ = 111520348.

The previous prime is 111520337. The next prime is 111520363. The reversal of 111520349 is 943025111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86620249 + 24900100 = 9307^2 + 4990^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111520349 is a prime.

It is a Chen prime.

It is equal to p_6385211 and since 111520349 and 6385211 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111520309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55760174 + 55760175.

It is an arithmetic number, because the mean of its divisors is an integer number (55760175).

Almost surely, 2^111520349 is an apocalyptic number.

It is an amenable number.

111520349 is a deficient number, since it is larger than the sum of its proper divisors (1).

111520349 is an equidigital number, since it uses as much as digits as its factorization.

111520349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 111520349 is about 10560.3195500894. The cubic root of 111520349 is about 481.3393567926.

The spelling of 111520349 in words is "one hundred eleven million, five hundred twenty thousand, three hundred forty-nine".