11479770488761 has 3 divisors (see below), whose sum is σ = 11479773876943. Its totient is φ = 11479767100580.

The previous prime is 11479770488749. The next prime is 11479770488777. The reversal of 11479770488761 is 16788407797411.

The square root of 11479770488761 is 3388181.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 492269221161 + 10987501267600 = 701619^2 + 3314740^2 .

It is not a de Polignac number, because 11479770488761 - 2⁵ = 11479770488729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11479770488741) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1694091 + ... + 5082271.

Almost surely, 2^{11479770488761} is an apocalyptic number.

11479770488761 is the 3388181-st square number.

11479770488761 is the 1694091-st centered octagonal number.

It is an amenable number.

11479770488761 is a deficient number, since it is larger than the sum of its proper divisors (3388182).

11479770488761 is an frugal number, since it uses more digits than its factorization.

11479770488761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6776362 (or 3388181 counting only the distinct ones).

The product of its (nonzero) digits is 132765696, while the sum is 70.

The spelling of 11479770488761 in words is "eleven trillion, four hundred seventy-nine billion, seven hundred seventy million, four hundred eighty-eight thousand, seven hundred sixty-one".