2044351105541 has 4 divisors (see below), whose sum is σ = 2048619062400. Its totient is φ = 2040083148684.

The previous prime is 2044351105507. The next prime is 2044351105547. The reversal of 2044351105541 is 1455011534402.

It is a happy number.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2044351105541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2044351105547) 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, 2133977711 + ... + 2133978668.

It is an arithmetic number, because the mean of its divisors is an integer number (512154765600).

Almost surely, 2^{2044351105541} is an apocalyptic number.

It is an amenable number.

2044351105541 is a deficient number, since it is larger than the sum of its proper divisors (4267956859).

2044351105541 is an equidigital number, since it uses as much as digits as its factorization.

2044351105541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4267956858.

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 2044351105541 its reverse (1455011534402), we get a palindrome (3499362639943).

The spelling of 2044351105541 in words is "two trillion, forty-four billion, three hundred fifty-one million, one hundred five thousand, five hundred forty-one".