11043661656323 has 16 divisors (see below), whose sum is σ = 11192865552000. Its totient is φ = 10895338726272.

The previous prime is 11043661656319. The next prime is 11043661656329. The reversal of 11043661656323 is 32365616634011.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11043661656323 - 2² = 11043661656319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11043661656329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 310223561 + ... + 310259157.

It is an arithmetic number, because the mean of its divisors is an integer number (699554097000).

Almost surely, 2^{11043661656323} is an apocalyptic number.

11043661656323 is a deficient number, since it is larger than the sum of its proper divisors (149203895677).

11043661656323 is a wasteful number, since it uses less digits than its factorization.

11043661656323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47854.

The product of its (nonzero) digits is 1399680, while the sum is 47.

The spelling of 11043661656323 in words is "eleven trillion, forty-three billion, six hundred sixty-one million, six hundred fifty-six thousand, three hundred twenty-three".