11777117660013 has 4 divisors (see below), whose sum is σ = 15702823546688. Its totient is φ = 7851411773340.

The previous prime is 11777117659963. The next prime is 11777117660027. The reversal of 11777117660013 is 31006671177711.

11777117660013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 11777117660013 - 2⁸ = 11777117659757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11777117660813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1962852943333 + ... + 1962852943338.

It is an arithmetic number, because the mean of its divisors is an integer number (3925705886672).

Almost surely, 2^{11777117660013} is an apocalyptic number.

It is an amenable number.

11777117660013 is a deficient number, since it is larger than the sum of its proper divisors (3925705886675).

11777117660013 is an equidigital number, since it uses as much as digits as its factorization.

11777117660013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3925705886674.

The product of its (nonzero) digits is 259308, while the sum is 48.

The spelling of 11777117660013 in words is "eleven trillion, seven hundred seventy-seven billion, one hundred seventeen million, six hundred sixty thousand, thirteen".