11605650065656 has 8 divisors (see below), whose sum is σ = 21760593873120. Its totient is φ = 5802825032824.

The previous prime is 11605650065629. The next prime is 11605650065687. The reversal of 11605650065656 is 65656005650611.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×11605650065656² (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 as a sum of consecutive naturals, namely, 725353129096 + ... + 725353129111.

It is an arithmetic number, because the mean of its divisors is an integer number (2720074234140).

Almost surely, 2^{11605650065656} is an apocalyptic number.

It is an amenable number.

11605650065656 is a deficient number, since it is larger than the sum of its proper divisors (10154943807464).

11605650065656 is a wasteful number, since it uses less digits than its factorization.

11605650065656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1450706258213 (or 1450706258209 counting only the distinct ones).

The product of its (nonzero) digits is 4860000, while the sum is 52.

The spelling of 11605650065656 in words is "eleven trillion, six hundred five billion, six hundred fifty million, sixty-five thousand, six hundred fifty-six".