11652440656 has 40 divisors (see below), whose sum is σ = 23187257984. Its totient is φ = 5669637120.

The previous prime is 11652440647. The next prime is 11652440677. The reversal of 11652440656 is 65604425611.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155200 + ... + 217696.

Almost surely, 2^11652440656 is an apocalyptic number.

11652440656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11652440656 is a deficient number, since it is larger than the sum of its proper divisors (11534817328).

11652440656 is a wasteful number, since it uses less digits than its factorization.

11652440656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62819 (or 62813 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 11652440656 in words is "eleven billion, six hundred fifty-two million, four hundred forty thousand, six hundred fifty-six".