11546712656 has 10 divisors (see below), whose sum is σ = 22371755802. Its totient is φ = 5773356320.

The previous prime is 11546712641. The next prime is 11546712677. The reversal of 11546712656 is 65621764511.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6688622656 + 4858090000 = 81784^2 + 69700^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360834755 + ... + 360834786.

Almost surely, 2^11546712656 is an apocalyptic number.

11546712656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11546712656 is a deficient number, since it is larger than the sum of its proper divisors (10825043146).

11546712656 is an equidigital number, since it uses as much as digits as its factorization.

11546712656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721669549 (or 721669543 counting only the distinct ones).

The product of its digits is 302400, while the sum is 44.

The spelling of 11546712656 in words is "eleven billion, five hundred forty-six million, seven hundred twelve thousand, six hundred fifty-six".