1152184720656 has 80 divisors (see below), whose sum is σ = 3033052729344. Its totient is φ = 376763492352.

The previous prime is 1152184720639. The next prime is 1152184720697. The reversal of 1152184720656 is 6560274812511.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 21462360 + ... + 21515976.

Almost surely, 2^{1152184720656} is an apocalyptic number.

1152184720656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1152184720656 is an abundant number, since it is smaller than the sum of its proper divisors (1880868008688).

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

1152184720656 is a wasteful number, since it uses less digits than its factorization.

1152184720656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62128 (or 62122 counting only the distinct ones).

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

The spelling of 1152184720656 in words is "one trillion, one hundred fifty-two billion, one hundred eighty-four million, seven hundred twenty thousand, six hundred fifty-six".