11221046443651 has 8 divisors (see below), whose sum is σ = 12525819286464. Its totient is φ = 9963719886120.

The previous prime is 11221046443603. The next prime is 11221046443667. The reversal of 11221046443651 is 15634464012211.

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

It is not a de Polignac number, because 11221046443651 - 2¹⁵ = 11221046410883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11221046443051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11861570821 + ... + 11861571766.

It is an arithmetic number, because the mean of its divisors is an integer number (1565727410808).

Almost surely, 2^{11221046443651} is an apocalyptic number.

11221046443651 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11221046443651 is a deficient number, since it is larger than the sum of its proper divisors (1304772842813).

11221046443651 is a wasteful number, since it uses less digits than its factorization.

11221046443651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23723142641.

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 11221046443651 in words is "eleven trillion, two hundred twenty-one billion, forty-six million, four hundred forty-three thousand, six hundred fifty-one".