11455520513266 has 16 divisors (see below), whose sum is σ = 17236105368768. Its totient is φ = 5710164102000.

The previous prime is 11455520513231. The next prime is 11455520513267. The reversal of 11455520513266 is 66231502555411.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11455520513267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1106740 + ... + 4912831.

It is an arithmetic number, because the mean of its divisors is an integer number (1077256585548).

Almost surely, 2^{11455520513266} is an apocalyptic number.

11455520513266 is a deficient number, since it is larger than the sum of its proper divisors (5780584855502).

11455520513266 is a wasteful number, since it uses less digits than its factorization.

11455520513266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6022497.

The product of its (nonzero) digits is 1080000, while the sum is 46.

The spelling of 11455520513266 in words is "eleven trillion, four hundred fifty-five billion, five hundred twenty million, five hundred thirteen thousand, two hundred sixty-six".