11766712437 has 12 divisors (see below), whose sum is σ = 16999184800. Its totient is φ = 7843172328.

The previous prime is 11766712421. The next prime is 11766712459. The reversal of 11766712437 is 73421766711.

It is not a de Polignac number, because 11766712437 - 2⁴ = 11766712421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11766712392 and 11766712401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11766712417) 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 11 ways as a sum of consecutive naturals, for example, 49663 + ... + 161244.

Almost surely, 2^11766712437 is an apocalyptic number.

It is an amenable number.

11766712437 is a deficient number, since it is larger than the sum of its proper divisors (5232472363).

11766712437 is a wasteful number, since it uses less digits than its factorization.

11766712437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217112 (or 217109 counting only the distinct ones).

The product of its digits is 296352, while the sum is 45.

The spelling of 11766712437 in words is "eleven billion, seven hundred sixty-six million, seven hundred twelve thousand, four hundred thirty-seven".