11421621206 has 8 divisors (see below), whose sum is σ = 17159584944. Its totient is φ = 5701759560.

The previous prime is 11421621191. The next prime is 11421621209. The reversal of 11421621206 is 60212612411.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11421621209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4523945 + ... + 4526468.

It is an arithmetic number, because the mean of its divisors is an integer number (2144948118).

Almost surely, 2^11421621206 is an apocalyptic number.

11421621206 is a deficient number, since it is larger than the sum of its proper divisors (5737963738).

11421621206 is an equidigital number, since it uses as much as digits as its factorization.

11421621206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9051046.

The product of its (nonzero) digits is 1152, while the sum is 26.

The spelling of 11421621206 in words is "eleven billion, four hundred twenty-one million, six hundred twenty-one thousand, two hundred six".