11545312756 has 12 divisors (see below), whose sum is σ = 20349652960. Its totient is φ = 5731126200.

The previous prime is 11545312693. The next prime is 11545312763. The reversal of 11545312756 is 65721354511.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 10381920 + ... + 10383031.

Almost surely, 2^11545312756 is an apocalyptic number.

It is an amenable number.

11545312756 is a deficient number, since it is larger than the sum of its proper divisors (8804340204).

11545312756 is a wasteful number, since it uses less digits than its factorization.

11545312756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20765094 (or 20765092 counting only the distinct ones).

The product of its digits is 126000, while the sum is 40.

The spelling of 11545312756 in words is "eleven billion, five hundred forty-five million, three hundred twelve thousand, seven hundred fifty-six".