11654656233 has 24 divisors (see below), whose sum is σ = 17542312704. Its totient is φ = 6872516640.

The previous prime is 11654656217. The next prime is 11654656241. The reversal of 11654656233 is 33265645611.

It is not a de Polignac number, because 11654656233 - 2⁴ = 11654656217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11654656253) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 420441 + ... + 447302.

It is an arithmetic number, because the mean of its divisors is an integer number (730929696).

Almost surely, 2^11654656233 is an apocalyptic number.

It is an amenable number.

11654656233 is a deficient number, since it is larger than the sum of its proper divisors (5887656471).

11654656233 is a wasteful number, since it uses less digits than its factorization.

11654656233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867805 (or 867794 counting only the distinct ones).

The product of its digits is 388800, while the sum is 42.

The spelling of 11654656233 in words is "eleven billion, six hundred fifty-four million, six hundred fifty-six thousand, two hundred thirty-three".