11777647653 has 6 divisors (see below), whose sum is σ = 17012157734. Its totient is φ = 7851765096.

The previous prime is 11777647643. The next prime is 11777647681. The reversal of 11777647653 is 35674677711.

It is a happy number.

11777647653 is a `hidden beast` number, since 117 + 7 + 7 + 6 + 476 + 53 = 666.

It can be written as a sum of positive squares in only one way, i.e., 9833102244 + 1944545409 = 99162^2 + 44097^2 .

It is not a de Polignac number, because 11777647653 - 2⁶ = 11777647589 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11777647653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11777647603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 654313750 + ... + 654313767.

Almost surely, 2^11777647653 is an apocalyptic number.

It is an amenable number.

11777647653 is a deficient number, since it is larger than the sum of its proper divisors (5234510081).

11777647653 is a wasteful number, since it uses less digits than its factorization.

11777647653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308627523 (or 1308627520 counting only the distinct ones).

The product of its digits is 5186160, while the sum is 54.

The spelling of 11777647653 in words is "eleven billion, seven hundred seventy-seven million, six hundred forty-seven thousand, six hundred fifty-three".