44161345511 has 2 divisors, whose sum is σ = 44161345512. Its totient is φ = 44161345510.

The previous prime is 44161345507. The next prime is 44161345513. The reversal of 44161345511 is 11554316144.

44161345511 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 44161345511 - 2² = 44161345507 is a prime.

It is a super-2 number, since 2×44161345511² (a number of 22 digits) contains 22 as substring.

Together with 44161345513, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44161345513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22080672755 + 22080672756.

It is an arithmetic number, because the mean of its divisors is an integer number (22080672756).

Almost surely, 2^44161345511 is an apocalyptic number.

44161345511 is a deficient number, since it is larger than the sum of its proper divisors (1).

44161345511 is an equidigital number, since it uses as much as digits as its factorization.

44161345511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28800, while the sum is 35.

The spelling of 44161345511 in words is "forty-four billion, one hundred sixty-one million, three hundred forty-five thousand, five hundred eleven".