11577065639 has 2 divisors, whose sum is σ = 11577065640. Its totient is φ = 11577065638.

The previous prime is 11577065587. The next prime is 11577065681. The reversal of 11577065639 is 93656077511.

It is a strong prime.

It is an emirp because it is prime and its reverse (93656077511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11577065639 - 2¹⁶ = 11577000103 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 (11577067639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5788532819 + 5788532820.

It is an arithmetic number, because the mean of its divisors is an integer number (5788532820).

Almost surely, 2^11577065639 is an apocalyptic number.

11577065639 is a deficient number, since it is larger than the sum of its proper divisors (1).

11577065639 is an equidigital number, since it uses as much as digits as its factorization.

11577065639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1190700, while the sum is 50.

The spelling of 11577065639 in words is "eleven billion, five hundred seventy-seven million, sixty-five thousand, six hundred thirty-nine".