11604651056000 has 64 divisors (see below), whose sum is σ = 28852063727760. Its totient is φ = 4641860416000.

The previous prime is 11604651055909. The next prime is 11604651056017. The reversal of 11604651056000 is 65015640611.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×11604651056000² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362629346 + ... + 362661345.

Almost surely, 2^{11604651056000} is an apocalyptic number.

11604651056000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11604651056000 is an abundant number, since it is smaller than the sum of its proper divisors (17247412671760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11604651056000 is an frugal number, since it uses more digits than its factorization.

11604651056000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725290720 (or 725290698 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

Adding to 11604651056000 its reverse (65015640611), we get a palindrome (11669666696611).

The spelling of 11604651056000 in words is "eleven trillion, six hundred four billion, six hundred fifty-one million, fifty-six thousand".