11715108077 has 4 divisors (see below), whose sum is σ = 11716879836. Its totient is φ = 11713336320.

The previous prime is 11715108071. The next prime is 11715108089. The reversal of 11715108077 is 77080151711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 77080151711 = 379 ⋅203377709.

It can be written as a sum of positive squares in 2 ways, for example, as 2810166121 + 8904941956 = 53011^2 + 94366^2 .

It is a cyclic number.

It is not a de Polignac number, because 11715108077 - 2⁴ = 11715108061 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11715108077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11715108071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 875924 + ... + 889197.

It is an arithmetic number, because the mean of its divisors is an integer number (2929219959).

Almost surely, 2^11715108077 is an apocalyptic number.

It is an amenable number.

11715108077 is a deficient number, since it is larger than the sum of its proper divisors (1771759).

11715108077 is an equidigital number, since it uses as much as digits as its factorization.

11715108077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1771758.

The product of its (nonzero) digits is 13720, while the sum is 38.

Adding to 11715108077 its reverse (77080151711), we get a palindrome (88795259788).

The spelling of 11715108077 in words is "eleven billion, seven hundred fifteen million, one hundred eight thousand, seventy-seven".