10111649 has 2 divisors, whose sum is σ = 10111650. Its totient is φ = 10111648.

The previous prime is 10111643. The next prime is 10111663. The reversal of 10111649 is 94611101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5094049 + 5017600 = 2257^2 + 2240^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10111649 is a prime.

It is not a weakly prime, because it can be changed into another prime (10111643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055824 + 5055825.

It is an arithmetic number, because the mean of its divisors is an integer number (5055825).

Almost surely, 2^10111649 is an apocalyptic number.

It is an amenable number.

10111649 is a deficient number, since it is larger than the sum of its proper divisors (1).

10111649 is an equidigital number, since it uses as much as digits as its factorization.

10111649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 10111649 is about 3179.8819160466. The cubic root of 10111649 is about 216.2423049597.

The spelling of 10111649 in words is "ten million, one hundred eleven thousand, six hundred forty-nine".