11756681445 has 16 divisors (see below), whose sum is σ = 18812404800. Its totient is φ = 6269658624.

The previous prime is 11756681423. The next prime is 11756681479. The reversal of 11756681445 is 54418665711.

11756681445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11756681445 - 2¹¹ = 11756679397 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11756681394 and 11756681403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174106 + ... + 232004.

It is an arithmetic number, because the mean of its divisors is an integer number (1175775300).

Almost surely, 2^11756681445 is an apocalyptic number.

11756681445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11756681445 is a deficient number, since it is larger than the sum of its proper divisors (7055723355).

11756681445 is a wasteful number, since it uses less digits than its factorization.

11756681445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71444.

The product of its digits is 806400, while the sum is 48.

The spelling of 11756681445 in words is "eleven billion, seven hundred fifty-six million, six hundred eighty-one thousand, four hundred forty-five".