44820881111 has 4 divisors (see below), whose sum is σ = 45048398472. Its totient is φ = 44593363752.

The previous prime is 44820881093. The next prime is 44820881113. The reversal of 44820881111 is 11118802844.

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 44820881111 - 2⁶ = 44820881047 is a prime.

It is a super-2 number, since 2×44820881111² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44820881113) 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, 113758385 + ... + 113758778.

It is an arithmetic number, because the mean of its divisors is an integer number (11262099618).

Almost surely, 2^44820881111 is an apocalyptic number.

44820881111 is a deficient number, since it is larger than the sum of its proper divisors (227517361).

44820881111 is a wasteful number, since it uses less digits than its factorization.

44820881111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227517360.

The product of its (nonzero) digits is 16384, while the sum is 38.

The spelling of 44820881111 in words is "forty-four billion, eight hundred twenty million, eight hundred eighty-one thousand, one hundred eleven".