11617210521477 has 40 divisors (see below), whose sum is σ = 18940974967200. Its totient is φ = 7037303055840.

The previous prime is 11617210521443. The next prime is 11617210521487. The reversal of 11617210521477 is 77412501271611.

11617210521477 is a `hidden beast` number, since 1 + 1 + 6 + 1 + 72 + 10 + 521 + 47 + 7 = 666.

It is not a de Polignac number, because 11617210521477 - 2¹⁹ = 11617209997189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11617210521487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1346227 + ... + 5004672.

It is an arithmetic number, because the mean of its divisors is an integer number (473524374180).

Almost surely, 2^{11617210521477} is an apocalyptic number.

It is an amenable number.

11617210521477 is a deficient number, since it is larger than the sum of its proper divisors (7323764445723).

11617210521477 is a wasteful number, since it uses less digits than its factorization.

11617210521477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6352975 (or 6352966 counting only the distinct ones).

The product of its (nonzero) digits is 164640, while the sum is 45.

The spelling of 11617210521477 in words is "eleven trillion, six hundred seventeen billion, two hundred ten million, five hundred twenty-one thousand, four hundred seventy-seven".