44215577121 has 4 divisors (see below), whose sum is σ = 58954102832. Its totient is φ = 29477051412.

The previous prime is 44215577113. The next prime is 44215577149. The reversal of 44215577121 is 12177551244.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 44215577121 - 2³ = 44215577113 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 44215577121.

It is not an unprimeable number, because it can be changed into a prime (44215570121) 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, 7369262851 + ... + 7369262856.

It is an arithmetic number, because the mean of its divisors is an integer number (14738525708).

Almost surely, 2^44215577121 is an apocalyptic number.

It is an amenable number.

44215577121 is a deficient number, since it is larger than the sum of its proper divisors (14738525711).

44215577121 is a wasteful number, since it uses less digits than its factorization.

44215577121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14738525710.

The product of its digits is 78400, while the sum is 39.

The spelling of 44215577121 in words is "forty-four billion, two hundred fifteen million, five hundred seventy-seven thousand, one hundred twenty-one".