44078791811 has 2 divisors, whose sum is σ = 44078791812. Its totient is φ = 44078791810.

The previous prime is 44078791693. The next prime is 44078791859. The reversal of 44078791811 is 11819787044.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 44078791811 - 2²² = 44074597507 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44078791811.

It is not a weakly prime, because it can be changed into another prime (44078791871) 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 as a sum of consecutive naturals, namely, 22039395905 + 22039395906.

It is an arithmetic number, because the mean of its divisors is an integer number (22039395906).

Almost surely, 2^44078791811 is an apocalyptic number.

44078791811 is a deficient number, since it is larger than the sum of its proper divisors (1).

44078791811 is an equidigital number, since it uses as much as digits as its factorization.

44078791811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 451584, while the sum is 50.

The spelling of 44078791811 in words is "forty-four billion, seventy-eight million, seven hundred ninety-one thousand, eight hundred eleven".