11139787 has 2 divisors, whose sum is σ = 11139788. Its totient is φ = 11139786.

The previous prime is 11139773. The next prime is 11139809. The reversal of 11139787 is 78793111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11139787 - 2¹¹ = 11137739 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11139287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5569893 + 5569894.

It is an arithmetic number, because the mean of its divisors is an integer number (5569894).

Almost surely, 2^11139787 is an apocalyptic number.

11139787 is a deficient number, since it is larger than the sum of its proper divisors (1).

11139787 is an equidigital number, since it uses as much as digits as its factorization.

11139787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10584, while the sum is 37.

The square root of 11139787 is about 3337.6319449574. The cubic root of 11139787 is about 223.3361176356.

The spelling of 11139787 in words is "eleven million, one hundred thirty-nine thousand, seven hundred eighty-seven".