1156005650656 has 24 divisors (see below), whose sum is σ = 2276017138080. Its totient is φ = 577969552128.

The previous prime is 1156005650621. The next prime is 1156005650659. The reversal of 1156005650656 is 6560565006511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156005650659) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 470421 + ... + 1591636.

It is an arithmetic number, because the mean of its divisors is an integer number (94834047420).

Almost surely, 2^{1156005650656} is an apocalyptic number.

1156005650656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1156005650656 is a deficient number, since it is larger than the sum of its proper divisors (1120011487424).

1156005650656 is a wasteful number, since it uses less digits than its factorization.

1156005650656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2079586 (or 2079578 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 46.

The spelling of 1156005650656 in words is "one trillion, one hundred fifty-six billion, five million, six hundred fifty thousand, six hundred fifty-six".