11138651 has 2 divisors, whose sum is σ = 11138652. Its totient is φ = 11138650.

The previous prime is 11138623. The next prime is 11138707. The reversal of 11138651 is 15683111.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11138651 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11138651.

It is not a weakly prime, because it can be changed into another prime (11138251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5569325 + 5569326.

It is an arithmetic number, because the mean of its divisors is an integer number (5569326).

Almost surely, 2^11138651 is an apocalyptic number.

11138651 is a deficient number, since it is larger than the sum of its proper divisors (1).

11138651 is an equidigital number, since it uses as much as digits as its factorization.

11138651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 720, while the sum is 26.

The square root of 11138651 is about 3337.4617600806. The cubic root of 11138651 is about 223.3285256756.

The spelling of 11138651 in words is "eleven million, one hundred thirty-eight thousand, six hundred fifty-one".