1044537396811 has 8 divisors (see below), whose sum is σ = 1106014271904. Its totient is φ = 983064243840.

The previous prime is 1044537396803. The next prime is 1044537396839. The reversal of 1044537396811 is 1186937354401.

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

It is a cyclic number.

It is not a de Polignac number, because 1044537396811 - 2³ = 1044537396803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1044537396841) 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, 342120 + ... + 1485301.

It is an arithmetic number, because the mean of its divisors is an integer number (138251783988).

Almost surely, 2^{1044537396811} is an apocalyptic number.

1044537396811 is a deficient number, since it is larger than the sum of its proper divisors (61476875093).

1044537396811 is a wasteful number, since it uses less digits than its factorization.

1044537396811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1861061.

The product of its (nonzero) digits is 2177280, while the sum is 52.

The spelling of 1044537396811 in words is "one trillion, forty-four billion, five hundred thirty-seven million, three hundred ninety-six thousand, eight hundred eleven".