11411639 has 2 divisors, whose sum is σ = 11411640. Its totient is φ = 11411638.

The previous prime is 11411633. The next prime is 11411663. The reversal of 11411639 is 93611411.

11411639 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11411639 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11411633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5705819 + 5705820.

It is an arithmetic number, because the mean of its divisors is an integer number (5705820).

Almost surely, 2^11411639 is an apocalyptic number.

11411639 is a deficient number, since it is larger than the sum of its proper divisors (1).

11411639 is an equidigital number, since it uses as much as digits as its factorization.

11411639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648, while the sum is 26.

The square root of 11411639 is about 3378.1117506678. Note that the first 3 decimals coincide. The cubic root of 11411639 is about 225.1382787863.

The spelling of 11411639 in words is "eleven million, four hundred eleven thousand, six hundred thirty-nine".