11806210643 has 8 divisors (see below), whose sum is σ = 12506039712. Its totient is φ = 11106975616.

The previous prime is 11806210627. The next prime is 11806210651. The reversal of 11806210643 is 34601260811.

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

It is a cyclic number.

It is not a de Polignac number, because 11806210643 - 2⁴ = 11806210627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11806210693) 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, 107255 + ... + 187392.

It is an arithmetic number, because the mean of its divisors is an integer number (1563254964).

Almost surely, 2^11806210643 is an apocalyptic number.

11806210643 is a deficient number, since it is larger than the sum of its proper divisors (699829069).

11806210643 is a wasteful number, since it uses less digits than its factorization.

11806210643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297021.

The product of its (nonzero) digits is 6912, while the sum is 32.

The spelling of 11806210643 in words is "eleven billion, eight hundred six million, two hundred ten thousand, six hundred forty-three".