11766430641 has 16 divisors (see below), whose sum is σ = 17969047424. Its totient is φ = 6708956544.

The previous prime is 11766430601. The next prime is 11766430657. The reversal of 11766430641 is 14603466711.

It is not a de Polignac number, because 11766430641 - 2⁷ = 11766430513 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11766430641.

It is not an unprimeable number, because it can be changed into a prime (11766430601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 603430 + ... + 622623.

It is an arithmetic number, because the mean of its divisors is an integer number (1123065464).

Almost surely, 2^11766430641 is an apocalyptic number.

It is an amenable number.

11766430641 is a deficient number, since it is larger than the sum of its proper divisors (6202616783).

11766430641 is a wasteful number, since it uses less digits than its factorization.

11766430641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226520.

The product of its (nonzero) digits is 72576, while the sum is 39.

The spelling of 11766430641 in words is "eleven billion, seven hundred sixty-six million, four hundred thirty thousand, six hundred forty-one".