13101207520777 has 4 divisors (see below), whose sum is σ = 13184654702596. Its totient is φ = 13017760338960.

The previous prime is 13101207520747. The next prime is 13101207520783. The reversal of 13101207520777 is 77702570210131.

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 1219922459001 + 11881285061776 = 1104501^2 + 3446924^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13101207520777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13101207520717) 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, 41723590674 + ... + 41723590987.

It is an arithmetic number, because the mean of its divisors is an integer number (3296163675649).

Almost surely, 2^{13101207520777} is an apocalyptic number.

It is an amenable number.

13101207520777 is a deficient number, since it is larger than the sum of its proper divisors (83447181819).

13101207520777 is an equidigital number, since it uses as much as digits as its factorization.

13101207520777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83447181818.

The product of its (nonzero) digits is 144060, while the sum is 43.

The spelling of 13101207520777 in words is "thirteen trillion, one hundred one billion, two hundred seven million, five hundred twenty thousand, seven hundred seventy-seven".