11755527687 has 6 divisors (see below), whose sum is σ = 16980206672. Its totient is φ = 7837018452.

The previous prime is 11755527673. The next prime is 11755527703. The reversal of 11755527687 is 78672555711.

11755527687 is a `hidden beast` number, since 1 + 1 + 7 + 5 + 552 + 7 + 6 + 87 = 666.

It is not a de Polignac number, because 11755527687 - 2¹⁹ = 11755003399 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 (11755527617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 653084863 + ... + 653084880.

Almost surely, 2^11755527687 is an apocalyptic number.

11755527687 is a deficient number, since it is larger than the sum of its proper divisors (5224678985).

11755527687 is a wasteful number, since it uses less digits than its factorization.

11755527687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306169749 (or 1306169746 counting only the distinct ones).

The product of its digits is 4116000, while the sum is 54.

The spelling of 11755527687 in words is "eleven billion, seven hundred fifty-five million, five hundred twenty-seven thousand, six hundred eighty-seven".