11805690739 has 2 divisors, whose sum is σ = 11805690740. Its totient is φ = 11805690738.

The previous prime is 11805690653. The next prime is 11805690781. The reversal of 11805690739 is 93709650811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11805690739 - 2²³ = 11797302131 is a prime.

It is a super-2 number, since 2×11805690739² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11805690692 and 11805690701.

It is not a weakly prime, because it can be changed into another prime (11805690139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5902845369 + 5902845370.

It is an arithmetic number, because the mean of its divisors is an integer number (5902845370).

Almost surely, 2^11805690739 is an apocalyptic number.

11805690739 is a deficient number, since it is larger than the sum of its proper divisors (1).

11805690739 is an equidigital number, since it uses as much as digits as its factorization.

11805690739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 408240, while the sum is 49.

The spelling of 11805690739 in words is "eleven billion, eight hundred five million, six hundred ninety thousand, seven hundred thirty-nine".