11646863043 has 8 divisors (see below), whose sum is σ = 16064638800. Its totient is φ = 7496831328.

The previous prime is 11646863023. The next prime is 11646863089. The reversal of 11646863043 is 34036864611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11646863043 - 2⁹ = 11646862531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11646862986 and 11646863004.

It is not an unprimeable number, because it can be changed into a prime (11646863003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66935908 + ... + 66936081.

It is an arithmetic number, because the mean of its divisors is an integer number (2008079850).

Almost surely, 2^11646863043 is an apocalyptic number.

11646863043 is a deficient number, since it is larger than the sum of its proper divisors (4417775757).

11646863043 is a wasteful number, since it uses less digits than its factorization.

11646863043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133872021.

The product of its (nonzero) digits is 248832, while the sum is 42.

The spelling of 11646863043 in words is "eleven billion, six hundred forty-six million, eight hundred sixty-three thousand, forty-three".