44651121211 has 4 divisors (see below), whose sum is σ = 44669736000. Its totient is φ = 44632506424.

The previous prime is 44651121191. The next prime is 44651121223. The reversal of 44651121211 is 11212115644.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 44651121211 - 2¹³ = 44651113019 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44651121211.

It is not an unprimeable number, because it can be changed into a prime (44651121511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9303796 + ... + 9308593.

It is an arithmetic number, because the mean of its divisors is an integer number (11167434000).

Almost surely, 2^44651121211 is an apocalyptic number.

44651121211 is a deficient number, since it is larger than the sum of its proper divisors (18614789).

44651121211 is a wasteful number, since it uses less digits than its factorization.

44651121211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18614788.

The product of its digits is 1920, while the sum is 28.

Adding to 44651121211 its reverse (11212115644), we get a palindrome (55863236855).

The spelling of 44651121211 in words is "forty-four billion, six hundred fifty-one million, one hundred twenty-one thousand, two hundred eleven".