11500649 has 2 divisors, whose sum is σ = 11500650. Its totient is φ = 11500648.

The previous prime is 11500637. The next prime is 11500661. The reversal of 11500649 is 94600511.

11500649 is an esthetic number in base 11, because in such base its adjacent digits differ by 1.

It is a balanced prime because it is at equal distance from previous prime (11500637) and next prime (11500661).

It can be written as a sum of positive squares in only one way, i.e., 9412624 + 2088025 = 3068^2 + 1445^2 .

It is a cyclic number.

It is not a de Polignac number, because 11500649 - 2²⁰ = 10452073 is a prime.

It is not a weakly prime, because it can be changed into another prime (11500249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5750324 + 5750325.

It is an arithmetic number, because the mean of its divisors is an integer number (5750325).

Almost surely, 2^11500649 is an apocalyptic number.

It is an amenable number.

11500649 is a deficient number, since it is larger than the sum of its proper divisors (1).

11500649 is an equidigital number, since it uses as much as digits as its factorization.

11500649 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 11500649 is about 3391.2606800422. The cubic root of 11500649 is about 225.7221178068.

The spelling of 11500649 in words is "eleven million, five hundred thousand, six hundred forty-nine".