11766772643368 has 8 divisors (see below), whose sum is σ = 22062698706330. Its totient is φ = 5883386321680.

The previous prime is 11766772643357. The next prime is 11766772643411. The reversal of 11766772643368 is 86334627766711.

11766772643368 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 8649351596484 + 3117421046884 = 2940978^2 + 1765622^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×11766772643368³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 735423290203 + ... + 735423290218.

Almost surely, 2^{11766772643368} is an apocalyptic number.

It is an amenable number.

11766772643368 is a deficient number, since it is larger than the sum of its proper divisors (10295926062962).

11766772643368 is a wasteful number, since it uses less digits than its factorization.

11766772643368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470846580427 (or 1470846580423 counting only the distinct ones).

The product of its digits is 256048128, while the sum is 67.

The spelling of 11766772643368 in words is "eleven trillion, seven hundred sixty-six billion, seven hundred seventy-two million, six hundred forty-three thousand, three hundred sixty-eight".