7766136471113 has 4 divisors (see below), whose sum is σ = 7766170511748. Its totient is φ = 7766102430480.

The previous prime is 7766136471109. The next prime is 7766136471127. The reversal of 7766136471113 is 3111746316677.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1214650860544 + 6551485610569 = 1102112^2 + 2559587^2 .

It is a cyclic number.

It is not a de Polignac number, because 7766136471113 - 2² = 7766136471109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7766136471913) 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, 16675778 + ... + 17135163.

It is an arithmetic number, because the mean of its divisors is an integer number (1941542627937).

Almost surely, 2^{7766136471113} is an apocalyptic number.

It is an amenable number.

7766136471113 is a deficient number, since it is larger than the sum of its proper divisors (34040635).

7766136471113 is a wasteful number, since it uses less digits than its factorization.

7766136471113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34040634.

The product of its digits is 2667168, while the sum is 53.

The spelling of 7766136471113 in words is "seven trillion, seven hundred sixty-six billion, one hundred thirty-six million, four hundred seventy-one thousand, one hundred thirteen".