11613075770477 has 4 divisors (see below), whose sum is σ = 11652710841660. Its totient is φ = 11573440699296.

The previous prime is 11613075770449. The next prime is 11613075770479. The reversal of 11613075770477 is 77407757031611.

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 7098020252521 + 4515055517956 = 2664211^2 + 2124866^2 .

It is a cyclic number.

It is not a de Polignac number, because 11613075770477 - 2¹² = 11613075766381 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 (11613075770479) 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, 19817535152 + ... + 19817535737.

It is an arithmetic number, because the mean of its divisors is an integer number (2913177710415).

Almost surely, 2^{11613075770477} is an apocalyptic number.

It is an amenable number.

11613075770477 is a deficient number, since it is larger than the sum of its proper divisors (39635071183).

11613075770477 is an equidigital number, since it uses as much as digits as its factorization.

11613075770477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39635071182.

The product of its (nonzero) digits is 6050520, while the sum is 56.

The spelling of 11613075770477 in words is "eleven trillion, six hundred thirteen billion, seventy-five million, seven hundred seventy thousand, four hundred seventy-seven".