11139740217 has 40 divisors (see below), whose sum is σ = 17242093440. Its totient is φ = 7158987360.

The previous prime is 11139740207. The next prime is 11139740231. The reversal of 11139740217 is 71204793111.

11139740217 is a `hidden beast` number, since 1 + 11 + 397 + 40 + 217 = 666.

It is not a de Polignac number, because 11139740217 - 2³¹ = 8992256569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11139740207) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1619728 + ... + 1626590.

It is an arithmetic number, because the mean of its divisors is an integer number (431052336).

Almost surely, 2^11139740217 is an apocalyptic number.

It is an amenable number.

11139740217 is a deficient number, since it is larger than the sum of its proper divisors (6102353223).

11139740217 is an equidigital number, since it uses as much as digits as its factorization.

11139740217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7595 (or 7586 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 36.

The spelling of 11139740217 in words is "eleven billion, one hundred thirty-nine million, seven hundred forty thousand, two hundred seventeen".