1111596749 has 2 divisors, whose sum is σ = 1111596750. Its totient is φ = 1111596748.

The previous prime is 1111596721. The next prime is 1111596751. The reversal of 1111596749 is 9476951111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1052029225 + 59567524 = 32435^2 + 7718^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111596749 - 2¹² = 1111592653 is a prime.

Together with 1111596751, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111596149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555798374 + 555798375.

It is an arithmetic number, because the mean of its divisors is an integer number (555798375).

Almost surely, 2^1111596749 is an apocalyptic number.

It is an amenable number.

1111596749 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111596749 is an equidigital number, since it uses as much as digits as its factorization.

1111596749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 44.

The square root of 1111596749 is about 33340.6171058665. The cubic root of 1111596749 is about 1035.8950456554.

The spelling of 1111596749 in words is "one billion, one hundred eleven million, five hundred ninety-six thousand, seven hundred forty-nine".